diff --git a/week2/community-contributions/boardgame_critique.ipynb b/week2/community-contributions/boardgame_critique.ipynb
index de8ac4a..b72e199 100644
--- a/week2/community-contributions/boardgame_critique.ipynb
+++ b/week2/community-contributions/boardgame_critique.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "id": "768629e6",
    "metadata": {},
    "outputs": [],
@@ -18,19 +18,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "id": "84a945dc",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "OpenAI API Key exists and begins sk-proj-\n",
-      "Google API Key exists and begins AIzaSyCW\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Load environment variables in a file called .env\n",
     "# Print the key prefixes to help with any debugging\n",
@@ -52,7 +43,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "id": "ad8ae0b6",
    "metadata": {},
    "outputs": [],
@@ -67,7 +58,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "id": "f66cf12f",
    "metadata": {},
    "outputs": [],
@@ -137,7 +128,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": null,
    "id": "5aa66868",
    "metadata": {},
    "outputs": [],
@@ -165,7 +156,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": null,
    "id": "51c9dadc",
    "metadata": {},
    "outputs": [],
@@ -175,148 +166,25 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": null,
    "id": "548efb27",
    "metadata": {},
    "outputs": [
     {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "* Running on local URL:  http://127.0.0.1:7863\n",
-      "* To create a public link, set `share=True` in `launch()`.\n"
-     ]
-    },
-    {
-     "data": {
-      "text/html": [
-       "<div><iframe src=\"http://127.0.0.1:7863/\" width=\"100%\" height=\"500\" allow=\"autoplay; camera; microphone; clipboard-read; clipboard-write;\" frameborder=\"0\" allowfullscreen></iframe></div>"
-      ],
-      "text/plain": [
-       "<IPython.core.display.HTML object>"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": []
-     },
-     "execution_count": 23,
-     "metadata": {},
-     "output_type": "execute_result"
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Journalist:\n",
-      "I would like to review the board game Santorini.\n",
-      "\n",
-      "Critique:\n",
-      "Sure, ask me anything about the board game Santorini.\n",
-      "\n",
-      "\n",
-      "\n",
-      "***Question 1***\n",
-      "\n",
-      "\n",
-      "Journalist:\n",
-      "\n",
-      "\n",
-      "To start, could you briefly describe the core gameplay and objective of Santorini?\n",
-      "\n",
-      "\n",
-      "Critique:\n",
-      "Santorini is an abstract strategy game at its core. Two players compete to be the first to get one of their two pawns to the third level of a tower. Players take turns moving one of their pawns, and then building a block on an adjacent space. The build can be on the same level, one level higher, or down a level. Certain spaces have a dome, which signifies the tower is complete, and no one can build or move to that space.\n",
-      "\n",
-      "The game's main draw is the use of God Powers, which give each player a unique ability that breaks the standard rules of the game. This adds a significant layer of asymmetry and strategic depth.\n",
-      "\n",
-      "\n",
-      "\n",
-      "\n",
-      "***Question 2***\n",
-      "\n",
-      "\n",
-      "Journalist:\n",
-      "None\n",
-      "\n"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "Traceback (most recent call last):\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\gradio\\queueing.py\", line 745, in process_events\n",
-      "    response = await route_utils.call_process_api(\n",
-      "               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "    ...<5 lines>...\n",
-      "    )\n",
-      "    ^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\gradio\\route_utils.py\", line 354, in call_process_api\n",
-      "    output = await app.get_blocks().process_api(\n",
-      "             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "    ...<11 lines>...\n",
-      "    )\n",
-      "    ^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\gradio\\blocks.py\", line 2116, in process_api\n",
-      "    result = await self.call_function(\n",
-      "             ^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "    ...<8 lines>...\n",
-      "    )\n",
-      "    ^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\gradio\\blocks.py\", line 1623, in call_function\n",
-      "    prediction = await anyio.to_thread.run_sync(  # type: ignore\n",
-      "                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "        fn, *processed_input, limiter=self.limiter\n",
-      "        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "    )\n",
-      "    ^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\anyio\\to_thread.py\", line 56, in run_sync\n",
-      "    return await get_async_backend().run_sync_in_worker_thread(\n",
-      "           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "        func, args, abandon_on_cancel=abandon_on_cancel, limiter=limiter\n",
-      "        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "    )\n",
-      "    ^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\anyio\\_backends\\_asyncio.py\", line 2476, in run_sync_in_worker_thread\n",
-      "    return await future\n",
-      "           ^^^^^^^^^^^^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\anyio\\_backends\\_asyncio.py\", line 967, in run\n",
-      "    result = context.run(func, *args)\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\gradio\\utils.py\", line 915, in wrapper\n",
-      "    response = f(*args, **kwargs)\n",
-      "  File \"C:\\Users\\Milan Lazic\\AppData\\Local\\Temp\\ipykernel_29732\\641492170.py\", line 14, in run_boardgame_conversation\n",
-      "    gemini_next = call_boardgame_critique(gpt_messages, gemini_messages)\n",
-      "  File \"C:\\Users\\Milan Lazic\\AppData\\Local\\Temp\\ipykernel_29732\\2813548043.py\", line 7, in call_boardgame_critique\n",
-      "    completion = gemini_via_openai_client.chat.completions.create(\n",
-      "        model=gemini_model,\n",
-      "        messages=messages\n",
-      "    )\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\openai\\_utils\\_utils.py\", line 286, in wrapper\n",
-      "    return func(*args, **kwargs)\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\openai\\resources\\chat\\completions\\completions.py\", line 1147, in create\n",
-      "    return self._post(\n",
-      "           ~~~~~~~~~~^\n",
-      "        \"/chat/completions\",\n",
-      "        ^^^^^^^^^^^^^^^^^^^^\n",
-      "    ...<46 lines>...\n",
-      "        stream_cls=Stream[ChatCompletionChunk],\n",
-      "        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "    )\n",
-      "    ^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\openai\\_base_client.py\", line 1259, in post\n",
-      "    return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))\n",
-      "                           ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n",
-      "  File \"c:\\Users\\Milan Lazic\\projects\\llm_engineering\\venv\\Lib\\site-packages\\openai\\_base_client.py\", line 1047, in request\n",
-      "    raise self._make_status_error_from_response(err.response) from None\n",
-      "openai.BadRequestError: Error code: 400 - [{'error': {'code': 400, 'message': 'Unable to submit request because it must include at least one parts field, which describes the prompt input. Learn more: https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/gemini', 'status': 'INVALID_ARGUMENT'}}]\n"
+     "ename": "NameError",
+     "evalue": "name 'gr' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mNameError\u001b[39m                                 Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[1]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m view = \u001b[43mgr\u001b[49m.Interface(\n\u001b[32m      2\u001b[39m     fn=run_boardgame_conversation,\n\u001b[32m      3\u001b[39m     inputs=[gr.Textbox(label=\u001b[33m\"\u001b[39m\u001b[33mInput the name of the board game:\u001b[39m\u001b[33m\"\u001b[39m)],\n\u001b[32m      4\u001b[39m     outputs=[gr.Markdown(label=\u001b[33m\"\u001b[39m\u001b[33mConversation:\u001b[39m\u001b[33m\"\u001b[39m)],\n\u001b[32m      5\u001b[39m     flagging_mode=\u001b[33m\"\u001b[39m\u001b[33mnever\u001b[39m\u001b[33m\"\u001b[39m\n\u001b[32m      6\u001b[39m )\n\u001b[32m      7\u001b[39m view.launch()\n",
+      "\u001b[31mNameError\u001b[39m: name 'gr' is not defined"
      ]
     }
    ],
    "source": [
+    "# Create a Gradio interface for running boardgame conversations.\n",
+    "# The interface takes the board game name as input and displays the conversation as Markdown.\n",
     "view = gr.Interface(\n",
     "    fn=run_boardgame_conversation,\n",
     "    inputs=[gr.Textbox(label=\"Input the name of the board game:\")],\n",