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.

Input: Consider Input: M: I would like to make a hotel reservation. ,F: What day will you arrive? ,M: I will arrive on May fourteenth. ,F: How long will you stay? ,M: I need the room for 3 nights.
(A) F: So, you are gonna leave Shanghai on May 14th. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: On May 16th, you will go to the United States, right? (D) F: Sir, you can check in our hotel on May 17th.

Output: B


Input: Consider Input: M: And so tired! I've been up late studying for the math exam for the last 2 nights. ,F: I have, too. But I'm so nervous that I can't fall asleep at night. ,M: Maybe you can drink a glass of milk and take a bath before going to bed.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Yes, it is a best way to relax. (C) F: How about your study report? (D) F: Since we have taken too mu time on Chinese exam, I think we should have a good rest.

Output: B


Input: Consider Input: M: I want to buy a car this year. ,F: But how do you pay for it? Asking your parents for money again? ,M: No, I'm going to work during my holidays.
(A) F: Good! You want to earn money to buy a computer during the holiday. (B) F: Good! For the first time, you decided to go on holiday to earn money. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: I don't have any extra money to lend you.


Output: B