Task: Dialogue Generation
Input (English): F: Doctor, I'm feeling really bad today. ,M: Let me have a look. You seem to have a fever and a runny nose, and you're coughing all the time. How long have you been like this? ,F: Since Tuesday, about 3 days. ,M: Then you've got a cold, but it's not very serious. Here's some medicine. You'll feel better soon.
(A) F: Ok, thank you,how long does it take for me to recover from a cold? (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: But how could I have a bad cold? (D) F: Fortunately, it's just a cold. I've been sick since Monday.
Output (English): A