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.

Ex Input:
M: Have you decided whether to rent a room off campus next semester or still stay in the dormitory? ,F: We're still talking about that. Lissy's mom wants her to stay at home. ,M: You always hesitate in making decisions.
(A) F: Yes, although I am living in the dormitory this semester, I still can't decide where to live next semester. (B) F: Excuse me, could you repeat the question? (C) F: Why do you say that? Since I am living in the dormitory this semester, I have decided to live in the dormitory next semester. (D) F: Although I live at home this semester, I may not be able to next semester because Lissy's mother doesn't want her to live at home.

Ex Output:
A


Ex 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.

Ex Output:
A


Ex Input:
F: Oh, what a beautiful cat! What do you think? ,M: I think I'd rather get a dog. Dogs are more faithful than cats. ,F: Yes, but there so much work. Would you be willing to walk it every single day and clean up after it? ,M: We'd have to invest a lot of money in a cage or a fish tank, and I don't really know how to take care of a bird or a fish. ,F: well. We're obviously not ready to get a pet yet. ,M: Yeah, you're right. Let's go grab some coffee and talk about it.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Yeah, we should forget about the pet and have some coffee. (C) F: Indeed, bird would be great. How much is it? (D) F: OK, let's go home and enjoy some English tea. As I said, we're not ready for a pet.

Ex Output:

B