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: M: Do you want to go play tennis with me tomorrow morning? ,F: That would be fun, but I need to pick up my passport from the police station. ,M: Are you going on a trip? ,F: Yes, I'm going to the UK with my dad next month. ,M: Cool, is it a holiday? ,F: Not really, he is going on a business trip in London and I'm going with him to check out a few universities that I might apply for next year. ,M: Sounds great, so how long will you be there? ,F: I'm going to be in London for 5 days, after that I will visit a couple of cities in Schottland as well. ,M: Checking out some schools there, too? ,F: Exactly, well, have a nice weekend and see you at school on Monday.
(A) M: Thank you. See you in class on Monday. (B) M: Well, since you're going to London tomorrow, I'll ask our teacher for leave next week. (C) M: I didn’t hear you. Please could you tell me again? (D) M: Thank you, my dear daughter. It's a pity that I can't go to London with you tomorrow.
Example Output: A

Example Input: F: Honey have we turned everything on the list? ,M: Let's see, bank, post office, airline office, shoes. But we haven't booked our hotel room yet, but I'll do that on the telephone tonight.
(A) F: Okay, I see. So, we have booked our hotel room and you will buy some shoes tonight, right? (B) F: So, you mean you will do that on the telephone tomorrow night and you will go to the bank tonight, right? (C) F: So, we we haven't booked our conference room yet and you will book a hotel room. (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output:
D