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:
M: Hi, Alice! Got any plans after the class? ,F: Not really. What about you? ,M: We will have our midterm exams next month. I plan to look for some important books and study at the library. Do you want to join me? ,F: Sure. I need to return some books. They're due today. Besides I can also read some weekly magazines and newspapers. ,M: Great. We can go to the swimming pool in the gym after that. ,F: That sounds like a good idea. We can cool down a little in such a hot summer. Are you good at swimming? ,M: Well, that's a good question. I haven't swam for almost 2 years. I think I need more practice. ,F: Oh, it's almost 9:00 AM. I need to hurry. I am running late now. See you after class in front of the library then. Bye. ,M: See you then.
(A) F: Excuse me, could you repeat the question? (B) F: See you after class in front of the library. (C) F: See you in front of the library tomorrow. (D) F: See you in front of the classroom tomorrow.

Ex Output:
B


Ex Input:
M: Mary, I heard that Sam is forming his own band. What's the name of the band? ,F: Stay Away from the World. It will be a great success. Sam is very good at playing the guitar.
(A) M: Really? You mean Sam is not very good at playing the guitar and the name of Sam's band is Keep Away From The World. (B) M: You mean Sam is very good at playing the piano, and the name of Sam's band is Stay Away From The World? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: So, it will not be a great success and  the name of Sam's band is Stay Away From The Words.

Ex Output:
C


Ex Input:
M: Hi, Alice! Got any plans after the class? ,F: Not really. What about you? ,M: We will have our midterm exams next month. I plan to look for some important books and study at the library. Do you want to join me?
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Sure, I hope you can have good grades in your midterm exams next week. (C) F: Sure, I hope you can have good grades in your midterm exams next month. (D) F: Sure, I hope you can enjoy borrowing some books from the library next week.

Ex Output:

C