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: Hello I'm Tom, who are you? ,F: I'm Marry. I'm from Korea. ,M: Really? How nice. How long have you stayed in the US? ,F: Four years. ,M: That's a long time. Have you been back to your country? ,F: No. ,M: You must miss your home. ,F: Sure, but gladly, my family are going to visit me next week. ,M: You must be very excited. ,F: Of course. ,M: How do you like New York? ,F: It's a modern city, full of energy and people here are quite friendly.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Yes, New Yorkers are friendly, but you Spanish are friendly, too. (C) M: I agree with you. People in New York are busy and unfriendly. (D) M: So as a local American, you think New Yorkers are energetic.
Example Output: A

Example Input: M: Mom, I want a puppy. ,F: Let me think about it. ,M: Why do you have to think about it? ,F: Because puppies cost money. ,M: No, they don't. Puppies are free. ,F: Yes, but puppies need their shots. ,M: Shots for what? ,F: So they won't get sick, just like why you get your shots. ,M: I hate shots. ,F: And puppies have to eat. Food costs money. ,M: No problem. I'll give him some food off my plate. ,F: Oh, no, you won't. Puppies don't eat vegetables.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: I can take good care of the puppy. It won't get sick and don't need to buy shots. (C) M: Yes, I promise I can build a house for the puppy. They won't cost any. (D) M: That's great! Puppies eat vegetables, so I can give the puppy some of my food.
Example Output: A

Example Input: M: What will you do after graduation, Rose? ,F: I'd like to be a computer programmer. ,M: A computer programmer. Why? ,F: I want to make more money. I see my parents working in the restaurant every day but they don't earn much. ,M: Ah, I see, but are you good at operating computers? ,F: Yes, I got the first place in the computer competition last week. ,M: That job isn't easy I think.
(A) F: Yes. I am so glad that I got the job in the computer company last week. (B) F: Yes. But I am so glad that I won the computer competition last month. (C) F: Yes, it was difficult, so I guess it's OK that I failed in the computer test held last week. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output:
D