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.

Ex Input:
F: Is it really all you can eat for only $12.50? That price is not bad.
(A) M: It is so expensive for this amount of food. (B) M: The price of food in our school is too expansive. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: The kind of food is so special for my mom.

Ex Output:
C


Ex Input:
F: Have you seen this story in The Herald? It says The Times is closing down in three months' time. ,M: Ben, that's good news. That newspaper is terrible. I won't miss it.
(A) F: Why do you feel disappointed about The Times? It is not going to close down. (B) F: Why do you feel joyful about The Times? It is closing down in two months. (C) F: You must feel joyful as The Times is going to close down in three months. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:
C


Ex Input:
F: Good morning, Swift Com. ,M: Hello. This is Martin Smiths. I'm ringing about an appointment with Peter Field. ,F: Oh, yes, Mr. Field. Sorry, he couldn't confirm the arrangement yesterday. He had to check his diary about the fourth. ,M: Is it OK? ,F: Well, that or the nineth. ,M: The nineth suits me better.
(A) F: Fine, I'll tell him that you'll meet him on the 3rd. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Fine, I'll tell him that you won't meet him on the 9th. (D) F: Fine, I'll tell him that you'll meet him on the 9th.

Ex Output:

D