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: We've just moved into a new house. ,F: Really? Congratulations. ,M: Thank you. I think we want to buy a new television set. ,F: What kind of television do you want to buy? ,M: A color TV set, of course. But I'm not sure about the size. Maybe we should buy a big one. If we buy a small one, we might have to exchange it in a few years for a bigger one. That would be a waste of money. What's your opinion? ,F: In my opinion, I don't think it's necessary to buy a very big one.
(A) M: Why do you think we should get a small TV set but now a big one? (B) M: Yeah. We should buy a small TV set and change it in the future. (C) M: I agree with you. We should buy a big TV set instead of a small one. (D) M: Excuse me, could you repeat the question?
Example Output: A

Example Input: M: How can I help you, Ma'am? ,F: I was hoping you could look at my car today. For the past few weeks, it has been making very strange noises. ,M: What kinds of noises? ,F: It sounds as if something is being damaged in the wheels. It only happens when I'm slowing down. ,M: Whoa. It sounds like you need new brakes. You'll have to leave the car with us until tomorrow. ,F: Gosh, I was thinking you'd be able to get it back to me this afternoon.
(A) M: I can try but I am not sure because your engine doesn't work. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: I will try my best. But first I need to check your brakes to see what happened. (D) M: Don't worry, your car works well except the wheels, I will replaced them at once.
Example Output: C

Example Input: F: Good afternoon, sir. Can I help you? ,M: Yes, we need a room for the night. Have you got any rooms available? ,F: Yes. What do you like a single room or a double room? ,M: A double room. ,F: How many nights would you like to stay? ,M: We're only staying overnight. We'll check out tomorrow morning.How much is it? ,F: It's $68 per night. ,M: OK. Do you accept credit cards?
(A) F: Sure. Here's your room key and hope you enjoy your stay at our hotel. (B) F: Excuse me, could you repeat the question? (C) F: OK. Sir, your room has been prepared. A single room for three nights. (D) F: Thank you for inviting me. I enjoy the meals of this restaurant, honey.
Example Output:
A