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: Jim bought a safe to hold all his guns. He tried to break into the safe to test out its strength. Jim swung a bat at the safe but nothing happened. Then he hit it with a hammer for a long time. Eventually the door popped open.
 selected sentence: Eventually the door popped open.

He hits it with a hammer >Causes/Enables> The door pops open