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: M: Is everything ready for the meeting? ,F: Almost. I'm done with the tables and chairs and I've set up microphones as well. The only thing left to do is put the cups on the table.
(A) M: Hurry up and set the cups! (B) M: You have to set up the tables and chairs now. (C) M: You have put the cups in place. Then it's time to mop the floor. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Output: A


Input: Consider Input: F: Gosh, we've been waiting for ages? What's the matter? ,M: Who knows? It always leaves on time more or less. But in the middle of winter, you have to expect the delay here sometimes. In fact, the trains also sometimes get delayed by snow on the lines or the planes by fog on the runway. Actually, it's probably rain that's holding up things for us right now.
(A) F: Yes, the rain may be the reason that the trains get delayed. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: It's probably flog that's holding up things for us right now. (D) F: The weather forecast says the rain has stopped.

Output: A


Input: Consider Input: M: Another slice of lemon pie. ,F: Oh no. This would be enough. Thank you. So Benny is going abroad. Britain I suppose. ,M: Yes, his company has decided to send him to London to take charge of their branch office. He'll fly there next Friday. ,F: You have such a good son, always doing the right thing at the right time.
(A) M: Don't worry. Benny is your son, and although he is not going abroad, he will have his own life plan. (B) M: Really? You don't think Benny is a good son? Actually he will stay in Britain for a short time. (C) M: Yeah. His school has decided to send him to London to take charge of their branch office and he will fly to London this Friday. (D) M: Excuse me, could you repeat the question?


Output: D