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: 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: F: Now if there are no more questions, let's move on to the next part. ,M: Excuse me, professor, could we go over that last point once more?
(A) F: I didn't hear you. Please could you tell me again? (B) F: Ok, since you want to review the last point, I will tell it again. (C) F: Although you want to move on to the next part, we still have some questions. (D) F: If you want to ask more questions, go ahead. We won't move on to the next part yet.
Example Output: B

Example Input: F: OK, dinner's ready, Owen. ,M: This looks delicious. The chicken smells great. ,F: How was your first day at the summer job? ,M: Pretty good. The factory is kind of big and noisy, but the people seem nice. This lady, Gloria, showed me around and told me all the rules. ,F: Is Gloria the boss? ,M: No, a guy named Carson is the head. He wasn't there today. ,F: Oh, Owen, you were saying that you haven't met the boss yet. ,M: No, but I met his son, Mark. He will be the boss once he gets more experience. He spent last summer loading the delivery trucks. But this year he's going to be operating the machines with me.
(A) F: It sounds interesting you'll cooperate with your boss' son Mark. (B) F: After working with you for a year, Mark'll turn boss this year. (C) F: Excuse me, could you repeat the question? (D) F: Wow, it's amazing that you'll cooperate with your boss, Mark.
Example Output:
A