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:
F: How can you be shouting at your grandpa? You can't be so rude! ,M: No, I don't want to be rude to him, but I had to shout so that he could hear me. My grandpa has something wrong with his ears. He doesn't hear well. ,F: I'm sorry. I misunderstood you. Your grandpa looks kind. ,M: Yes, he is kind to everybody in our small town. So we all respect him.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Of course. Everybody will respect someone who is kind to other people. (C) F: Though your grandpa looks fierce, he earns respect by helping others. (D) F: He's respected for being the oldest man in town, so you never shout at him.

Ex Output:
B


Ex Input:
F: I'm so sorry I'm late, Mister Stone. ,M: I think I did ask Miss Jones to inform everyone that the meeting started at 11:00 sharp, now 10 minutes have passed already. ,F: I'm really sorry, Mister Stone. It's raining cats and dogs, and I had to wait ages for a taxi.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: I know it's raining today, but the others are not late. That's no excuse. (C) M: It's windy today. Waiting for the bus to go to work is not a good choice. (D) M: It's hot today, so I asked Amy to inform everyone of the 12 o 'clock meeting.

Ex Output:
B


Ex Input:
M: Are we leaving on Saturday or Sunday? ,F: We are leaving on Saturday. The plane leaves at midnight, so we're flying over night. ,M: Oh, really? I'm not sure I can sleep on the plane. It makes me nervous.
(A) F: It's amazing. You really get tired on the train. (B) F: You get nervous sitting on the train, don't you? (C) F: I didn’t hear you. Please could you tell me again? (D) F: I can see you're really nervous about flying.

Ex Output:

D