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 fly landed on the wall. The man tried to hit it. The fly got away. The man woke up his son. His son got the fly.
 selected sentence: The fly landed on the wall.

The fly gets in the house >Causes/Enables> The fly lands on the wall