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: How may I help you? ,M: I need to buy some clothes for my daughter. I don't know what size to get. Can you help me? ,F: Certainly. How old is she? How tall is she? ,M: She is 9 years old and 4 feet tall. ,F: We have a great selection of clothes for young girls. Pants start at $10 and shirts start at $7.
(A) M: Really? You have a great selection of clothes for young boys and the cheapest shirt is just $10? (B) M: Excuse me, could you repeat the question? (C) M: So, as you mean pants start at $15 and shirts start at $7, the cheapest shirt is just $7? (D) M: Really? The cheapest shirt is just $3? Oh, I need to buy some clothes for my wife.

Ex Output:
B


Ex Input:
F: All you do all day is working and watching TV. You really should start thinking about exercising. ,M: I never thought about that. But you're right. I should start doing more outdoor activities.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: You need to reduce outdoor activities and have a good rest at home. (C) F: It takes me three hours to finish my homework every day. (D) F: You can do some outdoor exercise after dinner every day.

Ex Output:
D


Ex Input:
M: Mary, would you help me type this work plan? I'm too busy to do it myself. ,F: OK but why don't you hire a secretary?
(A) M: Honey, I'm having dinner with my secretary tonight and I'll be back later. (B) M: Mary you must hand in your paper to me at ten o 'clock tomorrow morning. (C) M: My secretary told me that he was very grateful to you because you helped him a lot in his work. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Ex Output:

D