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: Excuse me, I asked for this salad without cheese on it, but this one is covered in it. ,F: I'm sorry, sir. I'll take it back and bring you out a new one. Can I get anything else for you? ,M: Just another soda, please. Thank you.
(A) F: You are welcome, I'm bringing you the salad right now. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Ok, I will take away your soda. (D) F: Please wait a moment and I will bring you some cheese.
Example Output: A

Example Input: M: Doesn't that cloud look like a bear? ,F: No, it looks like a dog to me. That one over there looks like a bear.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: You are right. The first cloud looks like a dog. (C) M: Yes. The first cloud looks like a cat to me as well. (D) M: Yeah. The second cloud you said looks like a dog.
Example Output: B

Example Input: F: Dad, I want to travel around South Asia this summer holiday. Do you agree? ,M: I am not sure, Lucy. You are only 18. ,F: But I won't be traveling by myself. ,M: Who would like to go with you? ,F: Mary and Susan. ,M: Where would you stay? ,F: We stay in youth hotels. ,M: They are not expensive, are they? ,F: No, they're cheap and we may meet lots of young people there. ,M: I don't know what to say. ,F: Just say yes, please. ,M: How long are you going to stay there? ,F: 3 weeks to a month. ,M: I'm still not sure. You ought to speak to your mother.
(A) F: I didn't hear you. Please could you tell me again? (B) F: Alright. I will go and ask my mom as you suggested. Hope she'll agree. (C) F: You disagreed! I'll go to mom to discuss my Africa trip later as you said. (D) F: Thanks, darling, you agreed! Let me arrange the North Asia itinerary for us.
Example Output:
B