Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible.
Input: story: James was riding his bike with his friends. One of his friends turned in front of James. James wasn't able to stop his bike. His front tire hit the friend's bike. James flew off the bike.
 selected sentence: James flew off the bike.

James crashes into the bike >Causes/Enables> James flies off