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.

Input: Consider Input: M: Excuse me, are you the person who has a house for sale? ,F: Yes, I am, come in. Let me show you around. ,M: Thank you very much. How long have you lived here? ,F: I've lived here since I was married, my husband and I had our twentieth wedding anniversary yesterday. ,M: Wow! Congratulations! Then why do you want to sell it? ,F: I am going to retire next year, my husband is opening a small book store in Sydney. So I want to move there to help him.
(A) M: It is good to hear that you want to use the money to buy a small bookstore for your husband in New York. (B) M: Even though you are not together now, you still want to move to Sydny to find him. What a lovely couple! (C) M: It is good to sell the house and move to Sydney, but how about your job? You haven't retired yet. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Output: B


Input: Consider Input: M: By the way, miss. Where is the toilet? ,F: The toilet is there, but I'm afraid it's full at the moment. ,M: What? Oh, I think I have to wait. Thank you very much for your help, miss.
(A) F: No problem. Since you have known where the toilet is, you'll have to wait. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: I don't know where the toilet is, but you're booking a table, aren't you? (D) F: I don't know where the toilet is, but you're waiting for me, aren't you?

Output: A


Input: Consider Input: F: I like all the colors you've used in your picture, Bobby. Why don't you try putting a little more detail in it? ,M: OK, Mrs White. I just need to go to the bathroom and wash out my brush first.
(A) F: Before you go, I should tell you that I also like the style of the painting. (B) F: Your painting is also full of details. (C) F: You should take a photo of it. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?


Output: A