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: You look tired. Didn't you get enough sleep last night? ,M: No, I had a bunch of friends over and we partied until midnight. ,F: No wonder you look so bad. ,M: I guess I just can't take late nights like I used to. My head is spinning. ,F: I think you need to go home and take a rest. ,M: I wish I could, but I don't think I can keep my eyes open long enough to drive home. ,F: Don't worry. I'll give you a ride home.
(A) M: Thank you for driving me home. I will not take late night any more. (B) M: We did have lots of fun together last night, let's have a rest now. (C) M: You can go home. I'll stay working for a while since my head is clear. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
A


Ex 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.

Ex Output:
B


Ex Input:
M: International Film Club. ,F: Hello, I'd like some information about the club, please? ,M: Certainly, first of all, you must be over 15. Is that OK? ,F: Yes, that's fine. I'm 16, are you open on Sunday. ,M: I'm sorry, we aren't. When we started we opened from Tuesday to Friday, but now we open from Monday to Saturday. We get more people now. ,F: Oh, OK. What about times? ,M: We open the doors at 7:30 and the film usually starts at 7:45. We close at 11:00 PM.
(A) F: Why the movie starts at 7:30,it is so early. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: So the door is opened at 7:45. (D) F: So we cannot watch TV until 11:00?

Ex Output:

B