You will be given a definition of a task first, then some input of the task.
In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

F: To start with, tell me about your education please. ,M: Alright. I shall graduate from Columbia University of foreign studies next year. I major in international trade.
(A) F: I didn't hear you. Please could you tell me again? (B) F: Oh, you are a teacher now and you graduated from Columbia University last year. (C) F: So you are still a student studying for international trade in Columbia University, aren't you? (D) F: I see. You are still a student and you still have 2 years to graduate, right?
Output:
C