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: Joe was having a terrible time camping. He forgot his bug spray. And he couldn't find the way back to his car. Late at night, he finally made his way back. But he couldn't find his car keys.
 selected sentence: But he couldn't find his car keys.

Joe finds his car >Causes/Enables> Joe can't find the keys for his car