Definition: 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: F: Hi, Bill. Can you tell me how it happened? ,M: Sure. I was climbing the mountain in Nuremberg. Suddenly, the weather became really bad. There was lots of snow and we couldn't see anything. We got lossed. Well, we spent 4 days on the mountain. The temperature was 20 degrees below 0. We didn't have any equipment or food. ,F: So what happened? I guess somebody found you, right? ,M: Yes. But we were very sick. I couldn't move my legs because of the cold. I spent 2 months in the hospital. The doctors removed my legs. ,F: Right, so you lost your legs, but you want to try your best to stay active. ,M: That's right. In fact, I decided to make some new legs for myself. I realized that no one has to be physically disabled. We can use modern technology to help.
(A) F: Yes, the modern technology is really strong today. (B) F: I didn’t hear you. Please could you tell me again? (C) F: I believe that designing new climbing shoes will be helpful for you to cross the desert again. (D) F: Yes, using modern technology to make some new arms is a good idea.

A