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: Hi, Helen, I saw you yesterday with a lovely little girl at the market. Your daughter? ,F: No, she's my sister's daughter, she's just visiting and will be staying with us for a couple of days.
(A) M: Oh, that's your niece then, she's really cute. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Your niece is so cute, I didn't know your brother had a daughter. (D) M: Your daughter looks a lot like you.

Ex Output:
A


Ex Input:
F: How soon will Nancy come back?
(A) M: Well, I see Amy just once every two months. (B) M: Thanks for your concern. She will come back in a month. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: You are right! Amy will go the university in a month.

Ex Output:
B


Ex Input:
M: Good morning, Swim Shop, Kevin speaking. How can I help you? ,F: Hello, I'd like some information. I have got your order brochure here. Can you give me some prices? ,M: Of course, please tell me the page number you're looking at. ,F: OK. The first thing is on page 14. It the maru swimming cap. The red and blue one. ,M: OK. The small and medium sizes are 22 pounds 65, and the large one is 26 pounds 40. ,F: Right, I'd like to order that, please. Size small. ,M: Fine, have you got any more things to order? ,F: Yes, I'd like some pool shoes and swimming suits for water sports. They're on page 77. How much are the blue shoes and yellow suits? ,M: Well, the suits have been sold out. But we do have some blue shoes left in stock. They were 16 pounds 50, but they're on sale now for only 9 pounds 50. We don't have any left in small sizes though. What shoe size are you? ,F: I'm a 39. ,M: Let me check. Yes, we've got a pair in that size. ,F: Great.
(A) M: OK. Then it's 22 pounds 65 for your swimming cap and shoes. (B) M: As I said, there's a discount for the shoes, so it's 32 pounds 15. (C) M: Your order is 26.40 pounds for a large-sized cap and 37 shoes. (D) M: I’m sorry, I don’t understand. Could you say it again?

Ex Output:

B