Given the task definition and input, reply with output. In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".

M: I'd like to make an appointment to see Doctor Smith. W: Ok. Let's see. He's available on Tuesday or Thursday. M: Thursday would be better for me. W: Morning or afternoon? M: In the morning, if possible. W: How does 9: 15 sound? M: 9: 15 Thursday. That's fine.
Who is the man? (A) An employee. (B) A student. (C) A patient.