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: Guess what, the television isn't working again. ,F: I had it mended many times. It's really not cheap to have it fixed. Perhaps it needs replacing. ,M: Maybe we can sell it first. ,F: I agree.
(A) M: Why not buy a new one first? Maybe it doesn't need replacing. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Or we can keep it first. We may sell it in the future. (D) M: That's a good idea to sell the television first.
Example Output: D

Example Input: F: Hi, Mr. Matthew. This is Susan Millers speaking from Chicago. Now we'd like to place an order with you. ,M: Oh, very glad to hear that. When can you send your purchase order? ,F: We will send it as soon as possible. We hope you can hurry on the order. ,M: No problem. But I'll have to check another purchase order, which is to be finished this Friday. Now I'm in Shanghai on business. Anyway, I'll let you know when I come back, and then we can sign a contract. ,F: Thanks. ,M: Well, I'm afraid we can't send the products until after the Christmas Holidays. We will begin our holiday in New York next Tuesday and our company will be closed for 2 weeks. ,F: That's alright. We'll try to have a meeting for the details of the order and send it to you this Thursday. I hope you tell your market manager about it. ,M: OK. Once we get our purchase order, we will begin preparing your bookings. ,F: Thanks. We need the products in one month. ,M: Fine.
(A) F: Thank you, we hope to receive them in 3 days. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Thank you. Can we receive them in two weeks? (D) F: When do you expect to receive the products? In one month?
Example Output: B

Example Input: F: The children have been playing in the mountains for a long time. Why haven't they come back? I am really worried about them. ,M: Look at the sky. Black clouds are gathering and strong winds are blowing. It seems a heavy rain will fall soon.
(A) F: Yes, the weather looks terrible, it must rain soon. (B) F: They will come back home from the sea very soon. (C) F: There is no wind, maybe the rain will not be too heavy. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output:
A