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: Will's friends wanted him to go camping with them. Will didn't want to go so he lied to them about a previous engagement. His friends went on their trip without him. One of his friends ran into his mom the next day and asked about it. Will was caught in his lie and his friends were upset.
 selected sentence: His friends went on their trip without him.

Will declines an invite from his friends >Causes/Enables> They go without him