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: Jack, what is your favorite subject? ,M: My favorite subject? Well, I think I prefer science. Yes, science, I find it very interesting. The science teacher makes the subject very exciting. What about you? ,F: I always do very well in the maths tests. I also like geography. I like learning about people and the places where they live. Are there any subjects that you don't like Jack?
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: Your maths is really good, but I'm glad you don't like geography as much as I do. (C) M: Well, to be honest I don't like maths very much, I hope that my maths could be good as yours. (D) M: You really had a good performance in physics, but I'm glad that your performance in maths test is as bad as mine.
Example Output: C

Example Input: M: Helen, how do you like your new apartment? ,F: Well, I wish I had moved in, the man who lives upstairs often plays the piano till midnight. I really cannot stand it. ,M: Why don't you ask him to stop? ,F: I've tried, but it doesn't work, he never listens to me. What's worse, he isn't the only one that I cannot stand. The woman who lives next to me often comes over to borrow things, but she seldom returns anything. ,M: Then, don't lend her anything. ,F: Now I don't even open the door when she knocks, but it makes me uncomfortable. I'm afraid I'll have to move again. ,M: You can move in with my sister Susan. The girl Jennifer, who is sharing her apartment has moved out, so she has a free room now. ,F: That's great, your sister is such a good girl. Everyone likes her. I'll call her and move as soon as possible. After all, I need to sleep well at night, in order to do well in the coming exam.
(A) M: Yeah, you never talked to the neighbors before, so it's time to do so. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Just call her as soon as it's needed. Susan will be happy to help you. (D) M: Sure. I will also call my mom Susan to tell her about your phone call.
Example Output: C

Example Input: M: Was that the telephone ringing? ,F: I didn't hear anything. ,M: I thought I heard it ring 2 or 3 times. ,F: Sometimes when the windows are open, you can hear the neighbor's phone. ,M: Well, I'm expecting an important phone call and I don't want to miss it.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: All right. Maybe you should wait for the phone call at home. (C) F: All right. Maybe you shouldn't wait for the phone call at home. (D) F: All right. Maybe you shouldn't wait for the phone call in an office.
Example Output:
C