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: F: Tom, if you don't mind spending the day with 2 girls, you can come with us to the National Park. ,M: I'd love to. Thanks.
(A) F: Great, so we'll be three together. (B) F: That's two people going to the National Park instead of just me. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: Great. This is the first time that four of us are going to the National Park together.

Output: A


Input: Consider Input: F: Sir, I love these shoes. Can you give me a better price? ,M: But these are hottest sellers marked at the going price. ,F: Just go down dozens of dollars. Say 150 OK? ,M: I'm sorry. That's the best offer in this whole night market. You can go around and check for yourself. ,F: Yeah, I might just do so.
(A) M: Go to another store and compare the price, I'm sure you will come back. (B) M: You need to pay at the full price, $150. (C) M: I'll help you wrap the shoes. You can go pay the $150 at the cashier over there. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Output: A


Input: Consider Input: F: Do you want this bicycle? ,M: Me? For free? ,F: Yeah. I was going to sell it for cheap before I leave town, but I couldn't find anyone to buy it. And I don't want to just leave it here in the apartment. ,M: Sure, that'd be great. I've wanted one for a while.
(A) F: OK. I'll leave my bicycle in my apartment. (B) F: You can give me 1 dollar and my bicycle will belong to you. (C) F: No problem. I hope you enjoy my bicycle. I am going to buy a new one when I move in this town. (D) F: Excuse me, could you repeat the question?


Output: D