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:
M: Why do you have an umbrella with you? It's not supposed to rain today, is it? ,F: No, but it's supposed to be very hot. I'll use this umbrella to protect myself from the sun as soon as these clouds go away. ,M: I've never heard of using an umbrella for protection from the sun. ,F: Did you know that the Chinese invented the umbrella, and that it's first use was for protection against the sun, not the rain? ,M: I had no idea, you must get sunburned easily, huh? ,F: Oh, absolutely. I always get super red if I haven't put on sun cream.
(A) M: Do you never put on sunscreen because you are not easy to get sunburn? (B) M: Since you are so easy to get sunburned, why don't you bring an umbrella? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: You don't even know the first use of umbrella. No wonder you don't have an umbrella.

Ex Output:
C


Ex Input:
F: Jim, can you help me fill these forms? My assistant has been ill and went to see the doctor just now. ,M: Just tell me what needs to be done. I'm free till the 4:00 o'clock meeting begins.
(A) F: It's so nice of you. Form 1-4 need to be filled in. Take your time. (B) F: You are a life saver! My assistant is attending the meeting and is not available now. (C) F: It's so nice of you. My assistant will be on sick leave and is going to see the doctor tomorrow. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
A


Ex Input:
F: Hi Leo. You seem sleepy. Are you OK? ,M: Oh, my neighborhood is so noisy. I can't sleep much. ,F: Why? What's going on in your neighborhood? ,M: The road near my house has been under construction for half a year. It's still not done. ,F: Is it really loud? ,M: Oh, it's terrible. If they don't finish the road soon, I'm afraid I'm going to be deaf. ,F: How about your neighbors? Does it bother them too? ,M: Yes, most of them. ,F: Why not hold a neighborhood meeting? I'm sure you all could come up with some good solutions. ,M: That's a good idea. Why didn't I think of that?
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Now that the road near our houses are not in good condition, we should collect money for the construction. (C) F: Hi neighbors, I think it's the time that we come together and hold a meeting. (D) F: I am glad I can help, sometimes a meeting in neighborhood is really important.

Ex Output:

D