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: Can you type? ,F: Yeah, about 70 words a minute. ,M: That's great. Then I'll pay you $3.50 an hour. ,F: I can't work for less than $4.
(A) M: But we only pay $3.50 per hour for the typist, this is the price. (B) M: I'm glad you are going to work as a manager here. (C) M: I didn’t hear you. Please could you tell me again? (D) M: Can you type faster than 60 words per minute?
Example Output: A

Example Input: M: Hi, miss. Could you tell me where Mr. Johnson's office is? ,F: Well, his office is on the twenty second floor, but the lift only goes to the eighteenth floor. So you'll have to walk the rest of the way. ,M: Thank you very much.
(A) F: You have to walk the rest three floors to get Mr. Johnson's office. His office is on the twenty second floor. (B) F: You have to walk the rest four floors to get Mr. Johnson's office. His office is on the twenty second floor. (C) F: You have to walk the rest three floors to get Mr. Johnson's office. His office is on the twenty third floor. (D) F: Excuse me, could you repeat the question?
Example Output: B

Example Input: M: I'd like a ticket to Chicago, please. ,F: For what time? ,M: When does the next train leave? ,F: Train 40 is leaving at 8:30 this evening.
(A) M: OK. Reserve a seat in train 40 for me. I should take this train to Chicago. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Then I'll go to Chicago by this train. Train 40 leaves at 8:00, then I'll be here at 7:30. (D) M: Bus is convenient, so I'm taking the bus to Chicago.
Example Output:
A