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: Kyle was leaving to pick up his sister from work. When he got to the car he realized he was missing his keys. He looked through every room in his house but still couldn't find it. He decided to check his dirty clothes basket. He found his keys in the pocket of the pants he wore yesterday.
 selected sentence: He looked through every room in his house but still couldn't find it.

Kyle loses his keys >Causes/Enables> Kyle looks for the keys