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.

Example Input: M: Hi, would you like some help? ,F: Well, I'm looking for something I saw at a friend's house a few days ago. It's a Chinese style wooden chair. ,M: You're in the right store. In the past, they were $65 each. But we have a special price now. And the new ones are $5 cheaper.
(A) F: $60 for 2 chairs? That's cheap. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: So I need to pay $65 for a chair, right? (D) F: So I need to pay $70 for a chair, right?
Example Output: B

Example 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.
Example Output: A

Example Input: M: Will Mr Black be able to see me at 9:15 tomorrow morning? ,F: Sorry, but he's fully booked till 11:00. ,M: Would 10:00 to 1:00 be convenient? ,F: Well, better come at 3:00 in the afternoon.
(A) M: OK, thank you. I didn't expect you to be Mr. Black's visitor. You mean I'd better go at three o'clock tomorrow afternoon, right? (B) M: Well, thank you, Mr. Black's secretary. You mean I'd better go at three o'clock tomorrow afternoon? (C) M: I didn't realize you were Mr. Black's boss. You mean I'd better go at three o'clock tomorrow afternoon? (D) M: I’m sorry, I don’t understand. Could you say it again?
Example Output:
D