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: M: Hi Miya, how are you? ,F: I'm very well, thanks. But I'm crazy busy these days. How are you? ,M: Fine, thanks. Why are you so busy? ,F: I have a Chinese test next week.
(A) M: So you are busy with your Chinese study for the commming exam this Friday. (B) M: Which level of the Chinese test you will have next week? (C) M: I didn’t hear you. Please could you tell me again? (D) M: Why do you want to go to the cafe? You are so free these days.
Example Output: B

Example Input: M: Can I help you? ,F: Yes, I'm looking for how to manage your company. It was published this year. It should be very popular. ,M: Yes, it's in high demand. You have to wait for another 2 days.
(A) F: Your company has a good business. (B) F: The next class is English. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Oh my god. I have to wait for another 4 days.
Example Output: C

Example Input: M: OK, we've been to the toy store, the bookstore, and the music store. Where should we go next? ,F: Why don't we go to the restaurant to get something to eat? ,M: That's a good idea.
(A) F: Let's go to the restaurant now. (B) F: We haven't been to the toy store yet. Let's go to the toy store. (C) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) F: Although we haven't been to the music store, let's go to the bookstore first.
Example Output:
A