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: F: How can you be shouting at your grandpa? You can't be so rude! ,M: No, I don't want to be rude to him, but I had to shout so that he could hear me. My grandpa has something wrong with his ears. He doesn't hear well. ,F: I'm sorry. I misunderstood you. Your grandpa looks kind. ,M: Yes, he is kind to everybody in our small town. So we all respect him.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Of course. Everybody will respect someone who is kind to other people. (C) F: Though your grandpa looks fierce, he earns respect by helping others. (D) F: He's respected for being the oldest man in town, so you never shout at him.
Example Output: B

Example Input: M: We've just moved into a new house. ,F: Really? Congratulations. ,M: Thank you. I think we want to buy a new television set. ,F: What kind of television do you want to buy? ,M: A color TV set, of course. But I'm not sure about the size. Maybe we should buy a big one. If we buy a small one, we might have to exchange it in a few years for a bigger one. That would be a waste of money. What's your opinion? ,F: In my opinion, I don't think it's necessary to buy a very big one.
(A) M: Why do you think we should get a small TV set but now a big one? (B) M: Yeah. We should buy a small TV set and change it in the future. (C) M: I agree with you. We should buy a big TV set instead of a small one. (D) M: Excuse me, could you repeat the question?
Example Output: A

Example Input: F: Can I have an interview with you about my study program at 10:00 o'clock tomorrow morning, Doctor Johnson? ,M: I'm sorry, Miss Brand. I'll be meeting my students then. What about thrity minutes later? ,F: OK, we'll meet then. Thank you. ,M: You're welcome.
(A) F: Then we will meet at 10:30 am tomorrow. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Then we will talk about your holiday plan at 10:30 am tomorrow. (D) F: Then we can talk about your program at 11:30 am today.
Example Output:
A