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: Excuse me, Mr. Smith. I was wondering if you could do something about my neighbor's dog. It's been barking and keeping me up all night. ,M: OK. I'll call your neighbor on the phone.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Thank you! I hope I can sleep well tonight. (C) F: Thank you! My dog didn't feel well and barked all night! (D) F: Thank you for calling him. I guess I should make a apologize to my neighbor.

Output: B


Input: Consider 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.

Output: A


Input: Consider Input: M: How was your trip? ,F: Great. I went all over the world. I started out in Germany and then made my way to Spain and France. After Europe, I went to Egypt and Turkey, then over to India and China. From China, I traveled to Thailand and Indonesia. Then spent some time in Australia. I was planning on going to South America, but I ran out of money. ,M: How long were you gone for? It felt like years. ,F: Almost half a year. I was gone for 5 months. It was amazing and I learned so much about myself and the world around me. ,M: A few years ago, I spent 2 weeks in England and Ireland, but that's it. I almost went to Brazil for work last year. But my boss changed his mind. What are you up to now that you're back home?
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: It is a pity that your holiday trip to Brazil was canceled. (C) F: I am so sorry that you couldn't get the time off work and couldn't go on holiday in Brazil. (D) F: I am so sorry that your trip to Brazil was canceled.


Output: D