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: Hey, Mike, you're back. How was your summer camping? ,M: Life in the great outdoors isn't exactly what I expected. ,F: What did you do everyday? ,M: First, everyone had to get up at 5:30 AM. Next, we had to make our beds before our camp adviser came to inspect the place. Then we had breakfast around 6:30 AM. After that, we had some free time, so I'd go down to the nearby stream to fish for a couple of hours. But yesterday, the only thing I caught was an old shoe and a tree branch. Then I slipped and fell in the stream and lost my fishing pole. In the afternoon, there were different activities we could choose from like swimming, horseback riding, and hiking.
(A) F: Why did you have to tidy up your sister's room? (B) F: You are so energetic for tidying up your room so early. (C) F: I am really sorry, I did not catch that. Would you slow down, please? (D) F: Are you sure you have to energy to go down the stream without breakfast?
Example Output: B

Example Input: F: Where are you going to take your vacation? ,M: Hawaii. ,F: That sounds like a great place to visit. Is your family going? ,M: Yes, we plan to go mountain climbing, fishing, swimming and windsurfing. But most of all we are planning to relax. My wife is taking a whole bunch of books to read.
(A) F: Although your wife just take one book, I know she is really fond of reading, right? (B) F: Oh, I think your wife must love reading very much, like her I always take books when traveling. (C) F: The trip to China must be very interesting, that's why your wife is counting down the days. (D) F: Excuse me, could you repeat the question?
Example Output: B

Example Input: F: A new school year is coming, but I learned that some children will not go to school. Are they dropping out? ,M: No, they just learn at home with their parents as teachers. ,F: Ah? How do they get teaching materials? ,M: From educational companies, city libraries and the internet. ,F: Does it work? ,M: Why not? Home schooling could avoid problems of traditional schools. It also increases family time. Remember the 16-year-old boy homeschooled by his mother, he showed solutions to a nineteenth century math problem. ,F: Oh no, are you thinking of homeschooling ourselves? But some experts say children need to attend school to learn things like social skills.
(A) M: They have to make teaching materials by themselves. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: That's true. Children need to learn some social skills as well. (D) M: You're right. Homeschooling decrease family time and make kids lack social skills.
Example Output:
C