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: I was very bored one summer day. The ice cream truck's song could be heard down the street. I chased after it to buy some ice cream. I met some other kids at the truck. Now I have friends in my neighborhood to play with.
 selected sentence: I chased after it to buy some ice cream.

I hear the ice cream truck >Causes/Enables> I chase the ice cream truck