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.

Ex Input:
F: Would you like to come mountain climbing with us? ,M: That's the last thing in the world I ever want to do.
(A) F: Since you haven't travel around the world, why don't you travel to Japan with us? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Alright, since you don't want to go skiing with us, we'll leave you alone. (D) F: Well, since you don't want to go climbing the mountain, we'll go without you.

Ex Output:
D


Ex Input:
F: Good morning, sir. May I come in? ,M: Good morning. Yes, please. Take a seat. I guess you want to open an account, right? ,F: Yes. ,M: Great. What account do you want to open? A checking account or a saving account? ,F: I would like to open a saving account in your bank. What is the procedure? ,M: Would you like to open an account in a single name or in joint names? ,F: I would like to open a joint account with my father.
(A) M: OK. You want a saving account with a single name, don't you? (B) M: Sure. You need to open a saving account in joint names with your mother. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: OK. Why do you want to open a checking account in a single name?

Ex Output:
C


Ex Input:
M: Hello, Tom Wilson's. Can I help you? ,F: Hi. It's Emma Lloyd here. I'm calling about my motorbike. Is it ready to be collected yet? ,M: Can you remind me what's the brand of the bike?
(A) F: It's a City Zip. Can I get my bike from your factory? (B) F: It's a City Zip. My car has been sent to your garage for a month. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: It's a City Zip. My motorbike has been sent to your garage for a month.

Ex Output:

D