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: I see you are busy now, Kate. Once you finish, I'd like to have a talk with you. ,F: Alright, come in please.
(A) M: I have time to help you with work. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: I can see that you are not busy, so I want to have a talk with you. (D) M: I would like to have a talk with you.

Ex Output:
D


Ex Input:
M: I'm really surprised you got an A on the test. You didn't seem to have done much reading. ,F: Now you know why I never missed the lectures.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: Wow! You have reviewed all the notes? No wonder why you got an A on the test. (C) M: So you mean that you have attended every lecture and it helped you get an A on the test? (D) M: So you mean that you have attended every lecture but it didn't help you to improve your grades?

Ex Output:
C


Ex Input:
F: Good morning Can I help you? ,M: Yes, I need some directions. ,F: Sure. What are you looking for? ,M: Well, first of all I'm looking for the Hard Rock Cafe. How far is it from here? Need I take a taxi? ,F: Oh, it's just about 5 minutes walk from here. Just walk out of the hotel and turn right. It's right across from the National Bank.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M:  OK. Since the Starbucks Coffee is close to the bank, I will go there by bike. (C) M:  Thanks. It seems that the cafe is far from the hotel, I will take a taxi to go there. (D) M:  OK, I see. I will walk out the hotel and turn right to find the Hard Rock Cafe.

Ex Output:

D