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: F: If you want to get the washing machine fixed in time, you'd better get a mechanic to do the job rather than do it by yourself. ,M: You have a point, but you know I'll have to wait for a long time to get a mechanic.
(A) F: But a mechanic is an expert. He can fix the washing machine. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: Okay, I'll call for a mechanic to fix the fridge in time. (D) F: Okay, I'll call for a mechanic to fix the TV in time.

Output: A


Input: Consider Input: F: Hello, Richard. Nice to meet you. ,M: Hi, Barbara. Haven't seen you for ages! ,F: I've just come back from Canada. I was helping in a research program and I stayed in a town near Toronto for 2 months. ,M: Oh, how nice! Did your program go smoothly? ,F: Yes, and I'm going back in March to continue. ,M: Did you enjoy your stay in Canada? ,F: Oh, yes. They were very nice people. I mean, the people I worked with, very friendly and very helpful. ,M: Did you travel a lot there? ,F: No, we were very busy trying to finish the first part before Christmas. But my friends took me to quite a few parties and I never forget the big meal on Thanksgiving Day, and the fun we had on Boxing Day.
(A) M: Ok, I see. You didn't enjoy your stay in Canada and the research program will be finished in March. (B) M: OK, I see. You really traveled a lot there and the research program was finished before Christmas. (C) M: So, part of the research program has been finished and your friends took you to quite a few parties? (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Output: C


Input: Consider Input: F: Mister Williams, these days, David has been looking tired all the time. He has been falling asleep in class. I wonder if you should take him to see a doctor. ,M: Thanks, Miss Jones. I know what the problem is. He's recently been going to bed far too late. ,F: When does he go to bed? ,M: Usually around 11 o'clock. Sometimes even later. ,F: That's much too late. Can you help him get in bed earlier? Say around 9:30 or no later than 10 o'clock. ,M: We'll try. You know both David's mother and I often have to stay up late because of our work and recently David seems to have also got into our bad habit of going to bed late. ,F: Yes, but David has to get up very early for school. I'm really worried about his health and his studies. ,M: Yes, you're right. We'll try to change our habits to set a good example for David.
(A) F: As his classmate, I will help him with his study (B) F: Recently, other teachers told me that his performance was not good, as parents, you must care about him. (C) F: From a doctor's point of view, he would be in bad health. (D) F: I didn’t hear you. Please could you tell me again?


Output: B