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:
M: Was the movie as good as you expected? ,F: It was a waste of time and money. We should have stayed at home. ,M: Why are you so angry about it? It was just a film after all. ,F: To be honest, nothing in it was worth mentioning.
(A) M: Since you think it's a waste of time and money, why do you want to see it again? (B) M: Since you think the film is very bad, why don't you think it's a waste of time and money? (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: So you think this movie is very bad, right?

Ex Output:
D


Ex Input:
M: Mary, I heard that Sam is forming his own band. What's the name of the band? ,F: Stay Away from the World. It will be a great success. Sam is very good at playing the guitar.
(A) M: Really? You mean Sam is not very good at playing the guitar and the name of Sam's band is Keep Away From The World. (B) M: You mean Sam is very good at playing the piano, and the name of Sam's band is Stay Away From The World? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: So, it will not be a great success and  the name of Sam's band is Stay Away From The Words.

Ex Output:
C


Ex Input:
M: I want to know why you're sitting with your mouth closed all the evening. What's wrong, honey? ,F: Well, I don't like being a typist. There's no one to talk with and the day goes too slowly. ,M: Then what do you plan to do? ,F: I want to do some service work, like working in a hotel.
(A) M: So, you hate typing and you want to do some service work? (B) M: Really? You don't want to do some service work and you hate typing? (C) M: OK, I see. You hate talking and you also don't like working in a hotel. (D) M: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:

A