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: Can I help you Madam? ,F: Yes, thank you. I seem to have lost my room key. ,M: Take it easy. You can go to the front desk to get the spare one.
(A) F: Thank you. I'll go to the front desk and get the spare key right now. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Okay, I won't leave the office until you give me the spare car keys. (D) F: Thank you so much for helping me check in.
Example Output: A

Example Input: F: I'm sorry, but I really must go now as it's getting dark. Thank you very much for the delicious meal. ,M: I'm glad you enjoy it. Thank you for coming. Please drop in when you have time.
(A) F: Thanks for your meal. It was delicious. (B) F: Sure. I am glad that you had a good time in our home. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Let's go home now. The restaurant is not so well.
Example Output: A

Example Input: F: Tom, can you get the vegetables out of the fridge, please? ,M: Lettuce and carrots? ,F: We need carrots, but not lettuce. And can you see the peppers? ,M: Yes. ,F: Two of those as well. We'll cut them into small pieces. ,M: Fine. Shall I turn the cooker on? ,F: Yes, nice and hot, please. ,M: 190 degrees? ,F: Put it at 220 for now, and then we can change it to 200 later.
(A) M: We can set the roaster at 190 degree to bake apples. (B) M: Fine. 200 degrees is enough for baking cake. (C) M: OK. I will turn the cooker on to 220 degrees. (D) M: I didn’t hear you. Please could you tell me again?
Example Output:
C