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: One day Joe was upset. His father told him that they would go on a motorcycle trip. They decided to go when Joe turned 21. When Joe was 21 he and his father bought motorcycles. The had a great trip together.
 selected sentence: The had a great trip together.

Joe and his father leave for a motorcycle trip together >Causes/Enables> Joe and his father have a great trip