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.

Input: Consider Input: M: Call your mom and tell her that we will be home later than expected. ,F: Um, we are in the tunnel now and the mobile phones' signals are dead.
(A) M: How do you know that your mom is in the area with poor signal reception? We are not in the tunnel now. (B) M: Can't you make a phone to your mom now, telling her that we will be home earlier? (C) M: Excuse me, could you repeat the question? (D) M: Do you think we should tell mom that someone is dead, even though the mobile phones' signals are good?

Output: C


Input: Consider Input: F: What did you just put in the basket? ,M: Some peanut butter. ,F: That is not a jar of peanut butter. ,M: Ok, fine, they're peanut butter cookies. ,F: You know, we don't keep cookies in the house. ,M: Mom, please.
(A) F: You want to eat peanut butter, don't you, but we have had cookies in the house. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: So, You want to eat cookies but you put peanut butter in the basket, right? (D) F: Why do you want to eat cookies?

Output: D


Input: Consider Input: F: What do you do and where do you work? ,M: I'm a firefighter. I work in North Carolina of the US. ,F: What time does your work day begin and end? ,M: I start at 8:00 in the morning and work until 8:00 the next morning. Then I have a day off. If I get a call early or late, then I work overtime. ,F: What kind of clothes do you wear to work? ,M: I wear a blue work uniform. I also have a dress uniform. That is for special occasions, such as promotions and things like that. ,F: Tell us something about your education. ,M: I have a high school degree. Before working here I did not attend college, but now I take classes in the Fire Department. I do a lot of training together with other firefighters.
(A) F: With a middle school degree, you must have worked hard to become an English teacher. (B) F: Though you only have a high school degree, at least you are now studying a lot for your job. (C) F: You only got a high school degree before; how can you not take any training or class now? (D) F: I am really sorry, I did not catch that. Would you slow down, please?


Output: B