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.

Example Input: F: Would you have a look at this television set, please? ,M: Yes, of course. How long have you had it? ,F: About 10 years. Can you tell me how much it'll cost to repair it? ,M: Well, it'll cost about $500. It's cheaper to buy a new one.
(A) F: You suggest me to sell it at once because it doesn't have any problems, does it? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Why do you suggest me to buy a new one? It doesn't have any problems. (D) F: So you suggest me to buy a new one, right?
Example Output: D

Example Input: M: Hello, Betty! It's me, Tim! Am I calling at a bad time? ,F: No, not really. ,M: I have invited some of my friends to dinner at my house this evening. I thought maybe you'd like to come too. ,F: Well, that sounds good. But I'm afraid I've got to do some reading for my English course at home. ,M: Today is Friday. You've got to relax and enjoy yourself on the weekend.Y
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: You are right. I need to take some exercise. (C) F: I don't like to have fun. (D) F: You are right. You should have fun.
Example Output: C

Example Input: M: Are you going on to graduate school when you get your BA? ,F: I have considered going on for a Masters degree, but I may put off getting it. ,M: Why is that? ,F: I think I'd like to work for a while before I start graduate school.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: I agree with you. Earning much money should be done before graduate school. (C) M: Yeah, working for some time is a good choice before undergraduate school. (D) M: Yeah, working for some time is a good choice before graduate school.
Example Output:
D