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: 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: F: We're going to play football at noon, join us? ,M: Sorry, I hurt my leg last week because I fell off my bike and the doctor said I have to stay in bed for 4 weeks.
(A) F: Since you have to stay at home at noon, I'll bring you some lunch. (B) F: Tell me when you go to ride a bike this noon. I want to join you. (C) F: Where will you play football this noon? (D) F: I didn’t hear you. Please could you tell me again?
Example Output: A

Example Input: F: Come in, Bob. Did you have trouble getting here? ,M: No, I just followed the directions on my phone. Hey, this is a nice place. ,F: Thanks. I'm enjoying it, coffee? ,M: Sure, thanks. So are you ok, Sylvia? You look upset. ,F: Oh, I'm ok. I was up all night long working on my Chinese. ,M: That's too bad, you know, I found a new way to learn Chinese and it's fun. ,F: You did? Please tell me, I've spent months trying to learn Chinese like you. But it seems I've never made any progress.
(A) M: So you have learnt Chinese for several months. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: So you have learnt French for one month. (D) M: So you have learnt French for two weeks.
Example Output:
A