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: Hello, I'm from the students' union. We're doing a survey of students' eating habits. Would you mind if I ask you a few questions? ,M: Not at all. ,F: What's your favorite food? ,M: Hamburgers and french fries.
(A) F: Okay, so you like vegetables and fruits most, your information is very useful to the test we are doing. (B) F: Alright, hamburgers and french fries are your favorite food, and what's your least favorite food? (C) F: I didn’t hear you. Please could you tell me again? (D) F: So you like chocolate and cake best, since you mind us asking questions,we won't ask more.
Example Output: B

Example Input: M: Listen to me, Jane. The exam is already a thing of the past. Just forget about it. ,F: That's easier said than done!
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You did so good at this time, it is easy for you to do better in the next exam. (C) M: You did not got high score in the last exam but you cheered yourself up so soon. I am happy for you. (D) M: How could you forget to attend the English exam?
Example Output: A

Example Input: M: Hi Grandma, it's so good to see you again. ,F: Nice to see you Jack. ,M: We haven't seen each other for half a year. ,F: You are much taller now. Here's your gift. ,M: Thanks, grandma. May I open and have a look at it? ,F: Sure, I hope you like it. ,M: A racing car right? Oh, Grandma. You are great. ,F: I'm glad you like it.
(A) M: Of course, I love it! I have always dreamed of a racing car. (B) M: I really like the motor car you gave me. Thank you, mom. (C) M: Sure! I said I wanted a racing car when I saw you yesterday. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output:
A