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.

Input: Consider Input: F: All the time I was at school, I wanted to be a nurse. But my mother worked in a shop and said it wasn't good to be on your feet all day. ,M: Then what's your job now? ,F: I'm doing what I always wanted to do.
(A) M: I see, you are a teacher now. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I see, you are a nurse now, and it's surprised me that you just wanted to be a nurse recently. (D) M: I see, you are a nurse now.

Output: D


Input: Consider 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.

Output: A


Input: Consider Input: F: It was fine and warm yesterday, but today, it suddenly becomes cold and snowy. ,M: The weather forecast says that it won't stop snowing until this Friday. ,F: So bad.
(A) M: Why do you think it's bad? Tomorrow will be as sunny and warm as today. (B) M: It doesn't matter. Tomorrow won't be as sunny and warm as today, but it will be sunny and cold. (C) M: Yes, tomorrow will be another snowy and cold day. (D) M: I’m sorry, I don’t understand. Could you say it again?


Output: C