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: F: Mr Parker. When did you arrive home yesterday evening? ,M: At about 8:00 o'clock? ,F: What did you do right after you entered your flat? ,M: Well, I washed my hands and then watched the Sports News. ,F: When did you have supper? ,M: At about 8:45 I guess. ,F: Did you stay at home all evening? ,M: Yes. ,F: But your friend said, that he phoned you several times between 8:00 and 9:00. But you didn't answer. ,M: Well, I think I was in the bath at that time. ,F: No, you weren't, you were not even at home last night, you robbed a bank in James Street.
(A) M: So, you mean I was not even at school last night and I had been to James Street the night before? (B) M: So, you mean I was not even at home last night and I had been to James Street the night before? (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: Really? You mean I robbed a bank in Smiths Street and I had been to my friend's home the night before?
Example Output: B

Example Input: F: Dad, look at this friendship quiz. ,M: Why don't you try it? The first question, how often do you get in touch with your friends? ,F: Hmm... My friends aren't in the same secondary school as me, and I dislike ringing people up. I don't call my friends, even once a week. ,M: That means seldom. Secondly, how many friends can you talk with when you are upset? ,F: Oh, I can't think of any. I usually talk with you or mom when I feel sad. ,M: Poor Susan, you can't rely on us all the time. The last question, your friend wants to talk with you. Where would you have the talk? ,F: Well, we can't talk in the classroom. Maybe I would talk to her in a shopping center. We can talk and shop at the same time.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: All right. So you talk with your teacher in a shopping center. (C) M: All right. So you only talk with your friend in a classroom. (D) M: All right. So you only talk with your friend in a cafe.
Example Output: A

Example Input: M: I'm going to be a little late tomorrow morning, so I can drop my wife off at the airport. ,F: No problem. But I might need you to stay late today, so we can get that new project done on time.
(A) M: I agree. Let's go back home early. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Ok, let's do the new project first thing of tomorrow morning. I will be here on time. (D) M: I didn't know you were seeing your wife off at the airport later tonight.
Example Output:
B