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: 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?
Example Output: B

Example Input: F: If you want to get the washing machine fixed in time, you'd better get a mechanic to do the job rather than do it by yourself. ,M: You have a point, but you know I'll have to wait for a long time to get a mechanic.
(A) F: But a mechanic is an expert. He can fix the washing machine. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: Okay, I'll call for a mechanic to fix the fridge in time. (D) F: Okay, I'll call for a mechanic to fix the TV in time.
Example Output: A

Example Input: F: Look at this ad, computers 70% off. I'm going to order one. ,M: Sounds too good to be true. If I were you I'd get more information before giving them any money.
(A) F: Why do you suggest that I ignore this advertisement? This advertisement says that computers are 50% off. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Why do you suggest me to get more information first? This advertisement says that computers are 50% off! (D) F: So you suggest me to get more information first, right?
Example Output:
D