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: The guests are leaving for New York today on the 10 o'clock flight. We need someone to get them to the airport on time. ,F: But my car is under repair now. I think I'll have to call a taxi.
(A) M: The guests are leaving for New York by car. (B) M: The guests are leaving for New York by air. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: The guests are leaving for New York on the 11 o'clock flight.

Output: B


Input: Consider Input: F: Jim, can you help me fill these forms? My assistant has been ill and went to see the doctor just now. ,M: Just tell me what needs to be done. I'm free till the 4:00 o'clock meeting begins.
(A) F: It's so nice of you. Form 1-4 need to be filled in. Take your time. (B) F: You are a life saver! My assistant is attending the meeting and is not available now. (C) F: It's so nice of you. My assistant will be on sick leave and is going to see the doctor tomorrow. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Output: A


Input: Consider Input: F: May I help you? ,M: Yes, I'd like to take a one day sightseeing tour around town and I particularly want to visit the British Museum and the Tower of London. Do you have any tours that include both of them?
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Yes, we have, and we will provide the most suitable travel plan that include the British Museum and the Tower of London for you. (C) F: Yes, we have, and we will provide the most suitable travel plan that include Westminster Abbey and Saint Paul's for your one week sightseeing. (D) F: Of course we have, we promise we will provide the most suitable travel plan that include Hyde Park for your three days sightseeing.


Output: B