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: Nate fell down and scraped his knee really bad. His mother cleaned up the knee and put a band aid on it. Nate went back outside to play and took off the band aid. When his mother noticed she asked Nate why he took his band aid off. Nate told his mom it made him look tough.
 selected sentence: Nate fell down and scraped his knee really bad.

Nate plays outside >Causes/Enables> Nate scrapes his knee