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: Sam was cold. It was the middle of winter. She went to the store. She bought a new scarf and hat. She felt warmer with her new clothing.
 selected sentence: She bought a new scarf and hat.

Sam goes to the store >Causes/Enables> Sam buys a hat