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: Ben's friend got  a puppy for his birthday. Ben had lots of fun playing with his friend's new pet. Ben decided to ask his parents if they would get him a puppy. He was upset when his parent's told him they need time to decide. They decided to get Ben a puppy for his birthday a month later.
 selected sentence: He was upset when his parent's told him they need time to decide.

Ben asks his parents to get him a puppy >Causes/Enables> They tell him they need time to decide