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: You seem to have caught a cold. ,M: I see. Should I have an injection or take some medicine? ,F: Neither. But you'd better drink more water every day. It will do you good.
(A) M: Excuse me, could you repeat the question? (B) M: Yeah. I should take some medicine. (C) M: Yeah. I should drink more water and go to the hospital then. (D) M: Yeah. I should drink more water.
Example Output: D

Example Input: M: Do you like to go to the zoo on Sunday? ,F: Yes, I like to go to the zoo. But not on Sundays, because it's always so crowded. How about going on a Friday or Saturday?
(A) M: So you don't like going to the zoo on Sundays, do you? (B) M: So you don't like to go to the zoo on Fridays because it's crowded, right? (C) M: So you don't like going to the zoo on Sundays and Saturdays, do you? (D) M: I didn’t hear you. Please could you tell me again?
Example Output: A

Example Input: F: Sure. ,M: What's your name and how long have you been in the UK? ,F: I'm Li Jie from China. I have been here for 4 years by March of two thousand and nineteen. ,M: Wow, pretty long. So do you think you can handle everything in your daily life? ,F: No, not really. I sometimes feel puzzled when talking with the natives. ,M: Would you share some examples? ,F: Uh, for example, my friends told me there is fat chance of losing weight with British food. Gosh! What on earth will I be like, losing weight or gaining weight? I was confused. Then they laughed and told me fat chance means unlikely to happen. ,M: Yes, the idiom is always a headache to most international students.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: You're right. There are many international students like me in the US. (C) F: Yes. I'm so glad to talk about losing weight in the US with you. (D) F: I'm so glad to talk about my experience of culture shock in the US with you.
Example Output:
A