Sometimes users of dialogue systems ask vague questions/queries from the system. In this case, the system asks them a clarifying question to be able to answer it correctly. In this task, you are given a question/query in natural language and your task is to ask a good clarifying question to understand the given question/query more precisely.

Let me give you an example: Tell me about defender
The answer to this example can be: are you referring to the arcade game called defender
Here is why: The answer to this question(confirmation) can properly clarify the meaning of the user's question, so this is a good clarifying question.

OK. solve this:
Who is the patron saint of mental illness?
Answer:
are you interested in learning the back story of the patron saint of mental illness