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: Chad's kids wanted to go to the zoo. Chad and his wife were too busy. They asked their grandparents to take them. They thought that was a great idea. The kids had a great time at the zoo!
 selected sentence: The kids had a great time at the zoo!

The kids went to the zoo >Causes/Enables> The kids had a great time 