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: I think I should use the bathroom before we go. It's a long drive to the countryside. ,M: Yes, but there are plenty of rest stops along the highway. ,F: I know. I guess this is why driving is much more convenient than taking a bus or train.
(A) M: There is no rest stop along the way. It would be too tired for you. I'll drive. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: Which bus should we take? (D) M: We take the train to the countryside. I've booked the tickets.

Ex Output:
B

Ex Input:
M: Look, mom has left a note with housework for us to do while she and dad are away this weekend. ,F: Let's see. Tidy up the garage and clean up the backyard. ,M: She doesn't say which we should do first. ,F: Hey, we're not robots. We can make our own plan as long as everything gets done. Read the weather report in the newspaper. ,M: Em, sunny today, cloudy tonight, probably heavy rain tomorrow. Well, that makes it easy. We work outside today and inside tomorrow.
(A) F: Cloudy tonight? That's not a good sign for tomorrow. (B) F: I'm sorry, I don't understand. Could you say it again? (C) F: Although it is cloudy tonight, I believe tomorrow will be a sunny day. (D) F: It is a pity that it will rain tonight.

Ex Output:
A

Ex Input:
F: Steven, do you have any friend in London? ,M: Yes, my old friend, Hanson, lives there working as a lawyer.
(A) F: Oh, I know. He is a lawyer in Manchester. (B) F: Oh. He is a very famous lawyer. (C) F: Oh, I know. He is a volunteer in Manchester. (D) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly?

Ex Output:
B