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: That looks nice. I'll have a cheeseburger and fries. ,M: Anything to drink? ,F: A chocolate milkshake. ,M: That'll be $2.75.
(A) F: Here it is, and you need to give me $2.65 change. (B) F: OK, here's $2.75 for the food and drink. (C) F: $2.75 for a milkshake? That's expensive. (D) F: I didn't hear you. Please could you tell me again?
Example Output: B

Example Input: F: It was so terrible yesterday. ,M: What happened? ,F: Well, everything went wrong. In the morning, I went to the hotel to pick up an important customer, but was caught in a jam on the way. When I arrived at last, the customer had already left.
(A) M: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (B) M: That's terrible, I'm sorry to hear that you were not be able to pick the guest in the morning in time. (C) M: Well, at least you repaired the fax machine in that morning last week, that's more important. (D) M: I'm sorry that you had a terrible day last Sunday, at least you remembered to attend the parents' meeting in the morning.
Example Output: B

Example Input: M: I'd like to make an appointment with the doctor, please. ,F: OK, how about the day after tomorrow on Wednesday at 4:00 pm? ,M: Do you happen to have an opening in the morning? ,F: Emm, how about tomorrow at 8:00 am or Thursday at 8:15 am? ,M: Ah, do you have anything earlier? ,F: No, I'm sorry. ,M: Well, in that case tomorrow would be fine. ,F: What's the purpose of your visit? ,M: Well, to tell you the truth, I fell from a ladder 2 days ago while painting my house. And my foot landed in a can and it was badly hurt.
(A) F: Sorry to hear that! Then see you on Tuesday morning. (B) F: Oh, sorry to hear that! Take care of your son's foot. (C) F: Oh, sorry. When did your son break his leg? (D) F: I'm sorry, I didn't understand. Could you repeat a little louder, please?
Example Output:
A