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: I'm sorry, but I really must go now as it's getting dark. Thank you very much for the delicious meal. ,M: I'm glad you enjoy it. Thank you for coming. Please drop in when you have time.
(A) F: Thanks for your meal. It was delicious. (B) F: Sure. I am glad that you had a good time in our home. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Let's go home now. The restaurant is not so well.
Example Output: A

Example Input: F: What do you think of your new life in college? ,M: Well, it is very nice. There are many clubs in the college, such as dancing clubs, painting clubs and football clubs. ,F: Have you joined any clubs? ,M: I have joined a chess club. You know, I am very fond of playing chess. ,F: Now, many college students do a part time job to earn some pocket money. What do you think of that? ,M: Well, it can really help us earn some money and gain some experience, but I am afraid it would take up too much study time.
(A) F: I think so. Part-time jobs only take up little study time, but the return is huge. (B) F: I agree. Part-time jobs are so time-consuming that nobody now ever thinks of that. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: You think part-time jobs can help one to study, while they take up little study time.
Example Output: C

Example Input: M: Hi, Linda, this is John. What are you doing tonight? ,F: Hi, John. Nothing much. It's Friday and I'm bored. I don't have any plans yet. What do you have in mind? ,M: How about going to the movies? ,F: Is there a good movie to see? ,M: Let me surf the Internet. Do you want to see a comedy or a drama? ,F: Nothing sad or depressing. I had a hard work week. I want to see something funny. ,M: I agree. Work was stressful for me, too. There aren't any new comedies right now. I only see dramas and horror movies.
(A) F: You are such a big comedy lover, just like me! What comedy do we have in the cinema? (B) F: Well, it's our tradition to watch a drama on Friday to celebrate the incoming weekend. (C) F: It's so tired preparing for the test. A comedy would be relaxing. (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output:
D