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: Excuse me, are you going to buy that textbook? ,M: Well, yeah, I need it for a class. But it's awfully expensive. ,F: Oh, we must be in the same class! Civil engineering? ,M: Yes, that's the one! ,F: Were you there last Friday for the first class? ,M: Yes. I only moved here last Monday, and I registered for the class last Tuesday. By the way, I thought Professor Qian really seemed to know his subject.
(A) F: Great. Since you moved here last month, you must have your first class last Monday. (B) F: Yes. It is great that you registered for class last Monday and had your first class last Tuesday. (C) F: His courses are great. You must learnt a lot of Civil Engineering in your first class last Friday. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.

Output: C


Input: Consider Input: F: I'd like to buy some meat. ,M: What kind would you like today? ,F: I'd like a pound of roast beef. That's my son's favorite sandwich meat. ,M: Really? My daughter likes it, too. OK, that's going to be $5.50. ,F: Perfect. ,M: Anything else? Perhaps some pork? ,F: No, but I do need 3 pounds of chicken breast. My husband wants it for the soup he likes to make. ,M: That costs $4.00 a pound. ,F: Oh, that's expensive. I think he can make the soup with 2 pounds of chicken. I'll make some salad tonight. So we won't need so much food.
(A) M: Oh, I am so suprised that you think the chicken is expensive. That just costs $4.00 a pound. It's very cheap. (B) M: So, you think the chicken is expensive but as you'll not make some salad tonight, you will need much food? (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: Really? You mean the chicken is perfect in the salad but you'll make no salad tonight and you don't need it?


Output: A