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: M: Look at this armchair, what do you think? ,F: Oh, I'm not sure I like the design. It's too heavy looking. Is it comfortable? ,M: Try it. ,F: Uhm, It's really comfortable. And I'd like to have something this size. Our old armchair is way too small. This size is perfect.
(A) M: As I said, you really liked the design of the armchair. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: So you like the color of this armchair but you think it is too light? (D) M: Yes, as you like, the size of the armchair is perfect.
Example Output: D

Example Input: M: Jane, your new play is going on next week, are you anxious? ,F: Well, I'm very pleased to have Malcolm Rush as a director. He doesn't care whether you're tired or not, he'll just continue pushing until every scene is simply perfect. You don't just learn the part. You live it, which takes away any fears you might have of not being able to persuade an audience, you're real. That's very important. ,M: Malcolm does have a reputation of being quite the ruler, no one dares speak their opinions are here.
(A) F: Well, I think it is important for actors like Malcolm to be open to changes. (B) F: Yes. He is serious about his work. I think it is very important to act like the real person. (C) F: Yes. He is a serious writer, but I think it is very important to act like the real person. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output: B

Example Input: M: How do you go to work in London? By bus, or by the underground railway? ,F: Buses are always crowded and are often stuck in traffic jams. The private cars can't help at all. So I prefer to use the subway.
(A) M: So, you like bus better. (B) M: You're right, subway is the best choise. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: You're right. The most convenient transportation is car.
Example Output:
B