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: Cory loved his new clock. He put the clock on the wall. He stared at the clock to see if it was working. Cory tripped and ran into the wall. The clock fell but Cory caught it and had to rest for the day.
 selected sentence: Cory tripped and ran into the wall.

Cory trips >Causes/Enables> Cory runs into the wall