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:
F: What about taking a tour around Cambridge today? ,M: I did that with a friend yesterday. ,F: But didn't you say you would go to the London Eye yesterday? ,M: My friend had already been there, so I changed my plan. Today I want to see some modern art work. ,F: If so, you can go to Tate Modern. It's a museum with a collection of international artwork from the nineteen hundreds. ,M: Do many people visit it? ,F: Yes, it's very popular. But don't worry, it's usually not crowded on weekdays. If you go tomorrow though, there're maybe a lot of people.
(A) M: You are right. I should go there today on Monday, although there might be crowded. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: I will go there tomorrow on Friday. (D) M: I should go there today on Saturday to avoid the crowd.

Ex Output:
B


Ex Input:
F: Good morning, sir. How can I help you? ,M: I'd like to rent a car for the weekend.
(A) F: OK. What kind of car would you like to reserve this Friday? (B) F: Excuse me, could you repeat the question? (C) F: OK. What kind of room would you like to book this Friday? (D) F: OK. What kind of car would you like to rent for this Monday?

Ex Output:
B


Ex Input:
M: Has the equipment arrived yet? It was supposed to arrive this Monday, today is already Wednesday. ,F: Not yet. It won't arrive until the day after tomorrow.
(A) M: Really? You mean the equipment won't arrive until tomorrow and it will arrive this Wednesday. (B) M: Oh, today is already Friday and you say the equipment will arrive next Monday. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: Oh, you mean the equipment will arrive this Friday?

Ex Output:

D