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: Red was a good dog. He was very good at tracking. One time, Red tracked a cat for three hours. He found the cat and barked at me. I had to come rescue the cat before Red attacked it.
 selected sentence: One time, Red tracked a cat for three hours.

Red sees a cat >Causes/Enables> Red tracks the cat