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: I got a call from a friend yesterday. In my excitement I dropped my phone on the ground. It made a loud crack. The screen broke on it. It still works but looks terrible.
 selected sentence: The screen broke on it.

The phone was dropped >Causes/Enables> The phone screen broke