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: Have you got the list of who is coming to the party? ,F: Yes, I do. And I've told them to keep the date secrett. John hates that kind of thing. Do you remember when he found out that we bought him a birthday cake last year and that surprised Christmas party? He was angry. But this is different. Getting married is special and we've known him and Anna for years.
(A) M: You are right! Everyone knows he is getting married with Anna. We hold this party for them. (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: You are right! But it is his birthday! He won't get angry. (D) M: Jonh and Mary are getting married, we are looking forward to the party.

Ex Output:
A

Ex Input:
F: Is that you, Tom? Long time no see. What have you been doing all these years? ,M: Hi Lucy. I haven't seen you in a million years. I actually worked abroad for a few months and I've just returned from Canada. How are things with you? ,F: Everything is fine except that we have been missing you. ,M: We really need to get together sometime.
(A) F: How many years have you worked abroad? (B) F: Definitely! Let's make an appointment. (C) F: I'm sorry, I don't understand. Could you say it again? (D) F: Definitely! Let's make an appointment after I return from Canada.

Ex Output:
B

Ex Input:
F: I like this apartment. Do you think we can afford it? ,M: Yes, I think so, it's not very expensive. It's in the right area and it has everything that we are looking for. The rooms are quite large too.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: I know that you think the rooms should be larger. (C) F: I know that you think this apartment is not what you want. (D) F: I know that this apartment is exactly what you want.

Ex Output:
D