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 feel horrible, Daisy was angry at me because I lost her notes, do you think I should apologize again? ,M: If I were you, I'd let her calm down a few days before I approach her. ,F: Maybe you're right.
(A) M: Yes, you can write Daisy a note of apology. (B) M: You must return Daisy's notes in a few days. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: You should make apologize to her a few weeks later.

Ex Output:
C


Ex Input:
F: May I speak to Mr Brown please? ,M: Oh, sorry. He isn't in at the moment. ,F: When will he be back then? ,M: Sorry, I don't know. Can I take a message? ,F: Certainly.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: I'm so glad to talk to you through phone, Mr Brown. (C) M: All right. Please tell him that I called and I want to invite him for a party. (D) M: I'm so happy to meet you in the meeting room, Mr Brown.

Ex Output:
C


Ex Input:
F: Excuse me, do you think I can return these gloves? ,M: What's the problem with them? ,F: They're too small. ,M: Didn't you try them on before you bought them? ,F: Well, as a matter of fact, I received them as a gift. ,M: OK, I see. I'm afraid I can't give you a cash return, but you can change them. ,F: I believe you sell these gloves for $29.95. ,M: Yes, I'll take the gloves of the same price for you to choose. ,F: But that pair looks nice. May I have a try? ,M: It's for $35.25. If you like to take that pair, you'll pay some extra money. ,F: OK, I will.
(A) M: Thank you madam, you have to pay me $5.3 extra. (B) M: The extra money is $35.25, you pay in cash or card? (C) M: So you have to pay me $29.95 as extra money. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:

A