upd n cond v3

app.py

@@ -107,6 +107,8 @@ with st.sidebar:
     - *What's better for the environment: a year of vegetarianism or skipping one transatlantic flight?*
     - *How do the emissions saved by switching to an EV compare to recycling for a year in terms of trees planted?*
 
+    *If you're unsure about a metric or number, simply ask the chatbot for an explanation.*
+
     You must respond **at least 5 times** before you can submit the conversation. An *End Conversation* button will appear then. You are free to continue the conversation further before you submit it.
 
     {"☑" if st.session_state.inserted > 0 else "☐"} **Step 3. Use the *End Conversation* button to  submit your response.**