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.

Ex Input:
F: Hello, Mr.Smith. This is Janet Bush. ,M: Hello, Miss Bush. ,F: I'm afraid I'm going to be late for our appointment. My friend was supposed to pick me up from the airport, but she just called me and said she is stuck in traffic downtown so she won't be here right now. It's 11 now, so there is no way I'm going to the restaurant at 11:30 as we planned. I wonder if we could reschedule our appointment to sometime this afternoon? ,M: Certainly. What about 2:00 o'clock in my office? ,F: That would be fine. See you then. ,M: See you.
(A) F: Excuse me, could you repeat the question? (B) F: OK. You should be at my friend's house at two in the afternoon. See you. (C) F: OK. I will be your office at 3:00 pm. See you. (D) F: OK. I will be your office on time. See you.

Ex Output:
D


Ex Input:
F: Excuse me, could I ask you some questions? ,M: Of course. ,F: I work for an advertising agency and I'm doing some research. It's a new magazine for people like you. ,M: People like me? What do you mean? ,F: People between 20 and 35 years old.
(A) M: I am young. The magazine is not suitable for people like me. (B) M: So I am in the young group between 20 and 35, right? (C) M: So I am in the mid-aged group between 35 and 55, right? (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
B


Ex Input:
F: Mike, I'm calling to ask you if you go for a walk with me at the park tonight. ,M: That depends. I will go to the cinema with Tom this afternoon. If I come back early, I will take a walk with you. ,F: When is the movie over? ,M: At about 5:00 o'clock. ,F: Well, give me a call around 5:30 pm and tell me about your plan.
(A) M: No problem, I will call you around 5:00 pm as soon as the film ends. I will go with you if there is no other plan. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: Sorry, I can't call you at 5:30 pm for the film will end that time and I am not sure I can go out the cinema. (D) F: I will call you at 6:00 pm for the movie just ends at six.

Ex Output:

A