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: These trousers turned out to be too small for my daughter, so I've brought them back for larger ones. ,M: Certainly, madam. We will take them back if you have your receipt with you.
(A) F: My son said the trousers were too tight for him, so I have to change for bigger ones. (B) F: Here is the receipt. I'll wait here when you change larger trousers. Thanks. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: You are the best tailor nearby. Please make these trousers larger.
Example Output: B

Example Input: F: Did you have a busy week? ,M: Uhm, well, no. I mean I didn't do a lot, but I bought a computer. ,F: You did? Thank goodness. Now you don't need to borrow mine. You had it for 2 weeks last time. ,M: Yeah, so sorry about that. I wrote my history paper on it. Thanks again by the way.
(A) F: It's OK. I know that you borrowed it for your history paper. (B) F: Excuse me, could you repeat the question? (C) F: Why was your last computer broken? Your borrowed mine for a month last time. (D) F: It's OK. I remembered you borrowed it for the computer class for a month last time.
Example Output: A

Example Input: M: Hi, I'm Mike. I just moved in next door. ,F: Oh hi, come on in. I'm Barbara. Would you like something to drink? ,M: Thanks, some tea would be nice. I really like your tea set. Where did you get it? ,F: Oh, there is a supermarket not far from here. I bought it on sale. But there is also a teahouse around the corner. ,M: It's a nice neighborhood here. ,F: Yeah, you can get to the bus and the underground train stations within 10 minute's walk. There's a bookstore, a gym and many restaurants along the street. ,M: There's a gym nearby? I really want to go to a gym as soon as possible. ,F: Well. If you want, we can go together sometime. Actually I was thinking of going this afternoon. If you like, you can join me. ,M: That would be wonderful.
(A) F: I'm sorry, I didn't understand. Could you repeat a little louder, please? (B) F: Bob, let's visit a bookstore this afternoon! (C) F: Nancy, do some exercise is good for your health. (D) F: Amy, which restaurant do you want to go?
Example Output:
A