Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Problem:Two people are seen riding on skis behind a boat with one person having a child on their shoulders. the people <sep> (A) keep riding down the river while the boat continues to ride. (B) all hang onto one another while the young child climbs on top of them and falls off in the end. (C) continue riding through more hills while yelling to the camera and laughing. (D) move forward in slow motion and continue moving downhill.
Solution:
B