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.

Ex Input:
M: I'm hungry, do you want to go to the burger shop and get something to eat? ,F: Sure, but I need to stop at the drug store first. I need some vitamins.
(A) M: That's okay. I can wait. Please buy me soft drinks. (B) M: Excuse me, could you repeat the question? (C) M: That's okay. I can wait. Thanks for buying me some breads. I don't eat burgers any more. (D) M: That's okay. I can wait. Thanks for buying me some burgers.

Ex Output:
D


Ex Input:
M: At first, I thought this shirt was yellow, but now it looks green to me. ,F: You were right the first time. It's the blue light in the store that makes everything look different.
(A) M: Right, I like the light blue color of this shirt. (B) M: I guess so. This should be a beautiful authentic yellow shirt. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: I know it's because of the red lighting. It's doesn't look yellow at all now.

Ex Output:
B


Ex Input:
M: What were you thinking? You nearly hit me! ,F: What are you talking about? You saw my signal and when I started to turn left, you sped up and blocked me. ,M: You're crazy, lady. I had the right of way and I was just driving through a yellow light. ,F: You're lucky. There were no police around, or you would have gotten a ticket for sure. It's drivers like you that give the rest of us a bad name. ,M: Obviously, you're new to this whole driving thing. I've wasted enough of my day and you already. So if you will kindly move your car, I'll be on my way. ,F: Me? Move my car? You've got some nerve buddy. You're the one who should move.
(A) M: I said to call the police. You hit me when you turned right, so it's your fault. (B) M: What's your problem? I asked you to move the car and everything will be solved. (C) M: Excuse me, could you repeat the question? (D) M: Hey, you hit me, yet I only needed you to move car, and the policeman agreed.

Ex Output:

B