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: The girl was sitting on the grass. Birds flew above her head. One pooped on her. The girl became upset. The girl then went home.
 selected sentence: The girl was sitting on the grass.

The girl sits down on the grass >Causes/Enables> The girl is sitting on the grass