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: I got some bad news today, the store where I work is laying off staff. ,F: Are they going to let you go?
(A) M: Unfortunately, maybe they will let me go. (B) M: I can keep my job. The store where I work will lay off staff days later. (C) M: Don't you want to hear my bad news? (D) M: I’m sorry, I don’t understand. Could you say it again?
Example Output: A

Example Input: F: Hi Tony, it's Alice, my cars broken down. ,M: Oh no, where are you? Have you had your car taken to a garage? ,F: I'm waiting for a repairman to come out and fix it. Can you believe it? I'm at some traffic lights and I'm causing a traffic jam. ,M: Don't worry. I'll come and get you. I need to go to the bank anyway.
(A) F: Please pick me up soon after you go to the bank. (B) F: Can you help me get my car back? It's now stuck in the road. (C) F: I'm waiting for you to pick me up at the bank. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
Example Output: A

Example Input: F: Our guest today is Dr. Lia Kwan. Dr. Kwan works with computer related injuries and problems. Dr. Kwan, do you see more computer-related problem these days? ,M: Oh, definitely yes. People are doing more and more with computers and that means more physical problems. ,F: So what can we do? ,M: Well, how you sit at the computer is very important. First, have a good chair. It should support your back well. ,F: OK, a good chair. ,M: And also your feet should be flat on the floor when you're sitting. You shouldn't cross your legs. ,F: OK. I don't always keep my feet flat on the floor at the computer. ,M: I know, it's hard sometimes. Anyway, you shouldn't sit too close to the screen either. ,F: Is half a meter away enough? ,M: Not exactly. You should sit about an arm's length away. ,F: What about the keyboard? ,M: The position of arms and hands should be relaxed on the keyboard. ,F: That's really helpful. Another advice? ,M: Yes, that all about sitting. The other thing is about not sitting. You shouldn
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: So we should remember that a good chair enables people to keep their feet flat on the floor and people are doing less and less with computers. (C) F: So it is true that there are not so many physical problems despite the wide use of computers. (D) F: So although people are doing less and less with computers, that is true that people should avoid sitting in front of computers for too long without walking around.
Example Output:
A