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: Michael was a fifteen year old boy with a big imagination. He always put his mind to work creating new stories to tell. He always dreamed of building a three story treehouse. Michael put all of his thoughts on paper to build it. Michael finally built the treehouse of his dreams.
 selected sentence: Michael finally built the treehouse of his dreams.

Michael dreams of building a treehouse >Causes/Enables> Michael builds a treehouse