diff --git a/discord-bot/bot/extensions/EXAMPLES.md b/discord-bot/bot/extensions/EXAMPLES.md
index f031cd72..29598fde 100644
--- a/discord-bot/bot/extensions/EXAMPLES.md
+++ b/discord-bot/bot/extensions/EXAMPLES.md
@@ -396,9 +396,6 @@ async def modal_example(ctx: lightbulb.SlashContext) -> None:
     await view.start(await resp.message())
 
 
-# TODO: Database example
-# TODO: Rest client example
-
 
 def load(bot: lightbulb.BotApp):
     """Add the plugin to the bot."""
diff --git a/discord-bot/bot/extensions/text_labels.py b/discord-bot/bot/extensions/text_labels.py
index 1f278ca4..53d0a1fd 100644
--- a/discord-bot/bot/extensions/text_labels.py
+++ b/discord-bot/bot/extensions/text_labels.py
@@ -69,7 +69,6 @@ class LabelModal(miru.Modal):
             .add_field("Total Labeled Message", "0", inline=True)
             .add_field("Server Ranking", "0/0", inline=True)
             .add_field("Global Ranking", "0/0", inline=True)
-            .set_footer("Message ID: TODO")
         )
         channel = await context.bot.rest.fetch_channel(guild_settings.log_channel_id)
         assert isinstance(channel, hikari.TextableChannel)
diff --git a/discord-bot/bot/extensions/work.py b/discord-bot/bot/extensions/work.py
index ba71f41b..8e3ad7b5 100644
--- a/discord-bot/bot/extensions/work.py
+++ b/discord-bot/bot/extensions/work.py
@@ -31,7 +31,7 @@ logger.setLevel(logging.DEBUG)
     "The type of task to request.",
     choices=[hikari.CommandChoice(name=task.value, value=task) for task in TaskRequestType],
     required=False,
-    default=str(TaskRequestType.rank_initial_prompts),  # TODO: change back to random
+    default=str(TaskRequestType.random),
     type=str,
 )
 @lightbulb.command("work", "Complete a task.")
@@ -79,11 +79,11 @@ async def _handle_task(ctx: lightbulb.SlashContext, task_type: TaskRequestType)
                 return
 
             # Invalid response
-            if event.content is None:
-                await ctx.author.send("No content in message")
+            if event.content is None or not _validate_user_input(event.content, task.type):
+                await ctx.author.send("Invalid response")
                 continue
 
-            logger.info(f"User input received: {event.content}")
+            logger.info(f"Successful user input received: {event.content}")
 
             # Send the response to the backend
             reply = protocol_schema.TextReplyToPost(
@@ -108,7 +108,7 @@ async def _handle_task(ctx: lightbulb.SlashContext, task_type: TaskRequestType)
                 logger.fatal(f"Unexpected task type received: {new_task.type}")
 
         # Send a message in the log channel that the task is complete
-        # TODO: Maybe do something with the msg ID
+        # TODO: Maybe do something with the msg ID so users can rate the "answer"
         assert ctx.guild_id is not None
         conn: Connection = ctx.bot.d.db
         guild_settings = await GuildSettings.from_db(conn, ctx.guild_id)
@@ -252,6 +252,37 @@ async def _send_task(
     return view.choice, str(msg.id)
 
 
+# TODO check what the backend expects
+def _validate_user_input(content: str | None, task_type: str) -> bool:
+    """Returns whether the user's input is valid for the task type."""
+    if content is None:
+        return False
+
+    if (
+        task_type == TaskRequestType.initial_prompt
+        or task_type == TaskRequestType.user_reply
+        or task_type == TaskRequestType.assistant_reply
+    ):
+        return len(content) > 0
+
+    elif (
+        task_type == TaskRequestType.rank_initial_prompts
+        or task_type == TaskRequestType.rank_user_replies
+        or task_type == TaskRequestType.rank_assistant_replies
+    ):
+        rankings = [int(r) for r in content.split(",")]
+        return all([r in (1, 2, 3, 4, 5) for r in rankings]) and len(rankings) == 5
+
+    elif task_type == TaskRequestType.summarize_story:
+        raise NotImplementedError
+    elif task_type == TaskRequestType.rate_summary:
+        raise NotImplementedError
+
+    else:
+        logger.fatal(f"Unknown task type {task_type}")
+        raise ValueError(f"Unknown task type {task_type}")
+
+
 class TaskAcceptView(miru.View):
     """View with three buttons: accept, next, and cancel.