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: Tim was waiting to be picked up from school. But he began feeling impatient. He decided to walk home after waiting for an hour. He became cold and wet as it was raining. And when he got home, he found his mom sleeping.
 selected sentence: But he began feeling impatient.
Output:
Tim was waiting to be picked up from school >Causes/Enables> Tim began feeling impatient