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: At first, I thought this shirt was yellow, but now it looks green to me. ,F: You were right the first time. It's the blue light in the store that makes everything look different.
(A) M: Right, I like the light blue color of this shirt. (B) M: I guess so. This should be a beautiful authentic yellow shirt. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: I know it's because of the red lighting. It's doesn't look yellow at all now.
Example Output: B

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: F: Hi, Bob. Come in! This is my new office. ,M: Wow, it's great. There's so much furniture, a sofa, arm chair. ,F: How about my desk? Isn't it beautiful? ,M: Yes, look at that. Is that a new computer? ,F: Yes, it is. The latest model. ,M: But there aren't any windows here. ,F: No, no. There are some windows. There over there. ,M: Is that New Times Magazine on your desk? ,F: Yes, it is. There are some more copies in the cupboard. ,M: It's a great magazine. I love it. ,F: Yes, lots of good information. Would you like a cup of coffee? ,M: Sure. Is there a coffee maker here, too? ,F: Yes, there is. I have everything in this office.
(A) M: Yes, your new furniture looks good enough. But why don't you have an arm chair? (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Your new office is really good. But how about your job? What will you do in this office? (D) M: Sorry to know that there is coffee maker in this room. But your new job sounds great.
Example Output:
C