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, this is the International Student Office. This is Leah. How may I help you? ,M: This is Nathaniel Brown, from English Department. I'd like to speak to Miss Collins about my accommodation situation. ,F: Well, I'm sorry. She is out for lunch at the moment. Can I take a message?
(A) M: No thank you. I will wait for her to finish the meeting. (B) M: Sure. I want to have a talk with her about my accommodation situation. (C) M: Sure. I want to have a talk with her about my department. (D) M: Excuse me, could you repeat the question?
Example Output: B

Example Input: F: Today I am interviewing 16-year-old Mike about his feelings on how people can help save the environment. So, Mike. How can we save the environment? ,M: By saving water. ,F: Well, how can we do that? ,M: By not using too much water when we wash dishes, take a bath and when we do other things, like watering the plants outside.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Using less water is a good way to save water. You are only 15 years old and you know so much. (C) F: Yes. We can save water by growing more plants. But you said that saving water cannot save the environment. (D) F: That is true. Since you are 15 years old, how do you know that you can save water by recycling rubbish?
Example Output: B

Example Input: M: What are you making for dinner on Tuesday? ,F: I think I'll make a chicken pot pie. Isn't that your mom's favorite dish? ,M: You remembered! Unfortunately, she can't come. My dad and sister will be here though.
(A) F: We just have dinner with your father on Tuesday. (B) F: We just have dinner with your father on Friday. (C) F: We just have dinner with my sister on Tuesday. (D) F: I didn’t hear you. Please could you tell me again?
Example Output:
A