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: I'm planning to go to Canada on vacation. ,M: What places are you going to visit? ,F: First, I'll spend a few days in Vancouver. Then I'll take a train through the Rocky Mountains. ,M: Oh, you're riding through the Rocky Mountains. That's really exciting. ,F: Then I'll fly to Toronto and take a bus to Niagara Falls. I will take a boat under that huge waterfall. ,M: Wow, that's wonderful. You're so lucky! ,F: Well, I hope I don't get seasick. I'll finish my trip in Nova Scotia. I'd like to bike around some small fishing villages. ,M: Have a great time and take lots of pictures!
(A) F: Thank you. I really had a wonderful experience yesterday. (B) F: I am reading an introduction to Canada, but I will not go to Canada. (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: Thanks a lot. My travel plan is perfect. I will have a good time.

Output: D


Input: Consider Input: M: There is a new bakery on the next street. Should we get some pork pies or beef pies this morning? ,F: I want something sweet. The egg cake lady just opened her doors. Let's go stand in line.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: I agree. I want beef pies too. (C) M: Great, egg cakes are my favorite. (D) M: I had egg cakes for breakfast.

Output: C


Input: Consider Input: F: Ted, it's really you? I just cannot believe it! You've really put on some weight. ,M: Yeah, that's true. Actually, I'm losing weight now. Now I go to the gym at least 3 times a week. So how have you been? ,F: Not bad. I've changed my job. You know, now I'm not as busy as before, and I spend more time hanging out with friends and sleeping. ,M: Do you also exercise? ,F: Not really. But I'm on a diet, I don't want to put on any weight. ,M: Well, I think working out works better. I've really fallen in love with exercising. You can give it a shot, too.
(A) F: You're right. I'll change my job, as you suggest. (B) F: I'll consider going on a diet instead of doing some sports. (C) F: I'll consider about doing some sports. (D) F: I didn’t hear you. Please could you tell me again?


Output: C