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: We're going to play football at noon, join us? ,M: Sorry, I hurt my leg last week because I fell off my bike and the doctor said I have to stay in bed for 4 weeks.
(A) F: Since you have to stay at home at noon, I'll bring you some lunch. (B) F: Tell me when you go to ride a bike this noon. I want to join you. (C) F: Where will you play football this noon? (D) F: I didn’t hear you. Please could you tell me again?

Ex Output:
A


Ex Input:
F: I think it's very important to relax because if you don't. You can get too stressed. What do you think? ,M: Yes, I think so, once I even got ill because I was too stressed out studying for exams. But what do you do to relax? ,F: Well, sometimes I go to my room and lie down and listen to my favorite music or read a book. What about you? ,M: I want to relax, I often play computer games. ,F: I don't think computer games are relaxing. Yhey can be so exciting and then it's difficult to stop playing. ,M: It's not a problem for me, it's good fun. I sometimes play until midnight. ,F: Really? That's too bad for your health, you'd better not stay up for it again. Going out is a better way. I sometimes like to take my dog for a long walk in the country or a park. That makes me feel healthy and relaxed. ,M: I agree with you.
(A) F: Excuse me, could you repeat the question? (B) F: Thanks for discussing the ideas of healthy life with me. (C) F: Thanks for discussing the ways of relaxation with my dad. (D) F: Thanks for discussing the ways of relaxation with me.

Ex Output:
D


Ex Input:
F: Morning, Charles. ,M: Morning, Diana. How was your Christmas? ,F: Great! ,M: Where did you go? ,F: I went to London and stayed with my uncle for 2 weeks. ,M: How lucky! How did you get there? ,F: By air, of course. What about you? ,M: I went to visit my grandparents at a village in France. I often go there, if I have free time.
(A) F: Oh, your brother must be really happy that you often visit him in France. (B) F: That's very sweet of you to often visit your grandparents in France. (C) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) F: That's very sweet of you to often visit your grandparents in the city in France.

Ex Output:

B