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: Does this bus go to the train station? ,M: No, you'll have to get off at the bank and take another bus. ,F: How long is the ride? ,M: About 10 minutes.
(A) F: Okay, so could you please help me to check my deposits now, since you are the bank clerk? (B) F: Thanks, I need to get on my train right now. See you soon. (C) F: Okay, I'll get off at the train station since this bus will take me there. (D) F: I’m sorry, I don’t understand. Could you say it again?

Ex Output:
D


Ex Input:
F: I hear you're going home. Is it true? ,M: Yes, my mother is very ill. I wanted to leave on Thursday. But I couldn't get a ticket. I bought a ticket for Friday. I'll try to get back before Sunday night.
(A) F: So you will leave on Thursday because your father is ill. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: So you will leave on Friday because your father is ill. (D) F: So you will leave on Sunday because your father is ill.

Ex Output:

B