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, this is the International Student Office. This is Leah. How may I help you? ,M: This is Nathaniel Brown, from English Department. I'd like to speak to Miss Collins about my accommodation situation. ,F: Well, I'm sorry. She is out for lunch at the moment. Can I take a message?
(A) M: No thank you. I will wait for her to finish the meeting. (B) M: Sure. I want to have a talk with her about my accommodation situation. (C) M: Sure. I want to have a talk with her about my department. (D) M: Excuse me, could you repeat the question?

Ex Output:
B


Ex Input:
F: What do you plan to do tomorrow? ,M: I have no plan. Maybe just stay at home and read a book. ,F: The weather report said it would be fine tomorrow. What about going on a picnic? ,M: Just you and me? ,F: No, I have invited my friend Sarah and her boyfriend. ,M: Why not? I love going on picnics. ,F: Great. What about picking you up at 10 o'clock tomorrow morning? ,M: OK.
(A) F: Since you'll take the bus, let's meet at the station. (B) F: So you and your girlfriend Sarah will walk there? Fine. (C) F: I will arrive to your home at 11:00 and drive you there. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
D


Ex Input:
M: The train is late again. I'm never going to get to work on time. ,F: Why don't you take a bus? ,M: Because the bus gets me to work 45 minutes late.
(A) F: You must never be late for work as you drive to work everyday. (B) F: Why do you choose to go to work by bus? (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: Sometimes you may be late for work as you go to work by train, right?

Ex Output:

D