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: Carl was walking down to a grocery store. And he saw a bike left alone. He wished he could reach the grocery store faster. So he grabbed the bike and used it. Carl was happy to find the bike.
 selected sentence: So he grabbed the bike and used it.

He sees a bike >Causes/Enables> He grabs the bike