What single question can help differentiate a chat bot from a human?
user
I don’t think there is a single question, but I can think of a few that could be useful.
assistant
If I think a human is a chatbot, what would help me rule out the possibility?
assistant
What single question can help differentiate a chat bot from a human?
user
Are you asking how I, a chatbot, can tell if a person is being chatty or sincere?  Perhaps if you told me who you’re talking to, I could better assess what you’re trying to do.
assistant
What single question can help differentiate a chat bot from a human?