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: F: Jack, what is your favorite subject? ,M: My favorite subject? Well, I think I prefer science. Yes, science, I find it very interesting. The science teacher makes the subject very exciting. What about you? ,F: I always do very well in the maths tests. I also like geography. I like learning about people and the places where they live. Are there any subjects that you don't like Jack?
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: Your maths is really good, but I'm glad you don't like geography as much as I do. (C) M: Well, to be honest I don't like maths very much, I hope that my maths could be good as yours. (D) M: You really had a good performance in physics, but I'm glad that your performance in maths test is as bad as mine.
Example Output: C

Example Input: F: Hello, I am Miss Gear. I... ,M: Oh, good morning, Miss Gear. Come in, please. We have talked on the phone. You'd like to rent the place? ,F: Yes, I'd like to have a look at this house. ,M: That's quite good. Let me show you around the place. How do you like the location? ,F: The place is very convenient. As it's only a 5 minutes' walk from the nearest bus stop. This must be the bedroom. Oh my God. I love the French window.
(A) M: Yes, the place is near the bus stop, and the living room window of French style is awesome. (B) M: The French window in bedroom is really attractive, but the place is far from the bus stop. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: The safety of building is really important, though you don't like the location.
Example Output: C

Example Input: F: Can I have a word with you, Andy? ,M: Of course, Miss James. ,F: A regular customer just came to me and said you weren't very polite. ,M: You mean the tall lady with brown hair? ,F: That's right. ,M: She was the one being rude. She wouldn't even look at the bags I showed her. And she picked up all the other bags and threw them all over the table. ,F: That's not a good reason for you to get upset. Just remember the customer is always right. So, please be more polite next time.
(A) M: Manager, Ms. Jasmine, I've done the project of customer service. May I leave office? (B) M: Excuse me, could you repeat the question? (C) M: Customers are right as you said, so be more polite. I'm a your customer at the store. (D) M: I understand. I'll treat customers in a better way. Please don't deduct my salary.
Example Output:
D