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: 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?

Ex Output:
B


Ex Input:
F: Mike was injured this morning, did he have a car accident? ,M: No, what made you think so? ,F: He started driving only a week ago, so I thought he might have had a car accident. ,M: He got his driver's license 3 years ago, he is actually a skilled driver.
(A) F: Yeah, he got his drive license just a week ago, he shouldn't start driving. (B) F: He has driven two weeks but he got his license just three weeks ago. (C) F: Yeah, he got his license 3 years ago and started driving 2 years ago. (D) F: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:
D


Ex Input:
F: James, thank goodness, you arrived. The test is starting in 10 minutes. Don't you remember where the first group and you've held all the papers? ,M: Terribly sorry for being late, Helen. Can you imagine I've been standing outside for over an hour waiting for the boss? ,F: In such freezing weather? What on earth happened? ,M: I stayed up until 11:50 last night to prepare the report. This morning, I didn't wake up until 7:00. I knew the test would start in 2 hours, but the boss, the boss!
(A) F: Thank god you arrived at 8:10. (B) F: Why are you so late? It's already 9:00. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: Why are you so late? It's already 8:50.

Ex Output:

D