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: Trudy felt sad so thought she needed a pet. She decided to buy a Puli. She called some Puli owners in town and asked to buy one. The third Puli owner agreed to sell Trudy one of her dogs. So Trudy bought a Puli and is now much happier.
 selected sentence: She decided to buy a Puli.

Trudy wants a pet >Causes/Enables> Trudy decides to buy a pudi