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: Dave had to take a train to his grandma's house. This was his first time. He kept asking people for help and directions. He made everything on time. He met up with his grandma.
 selected sentence: He met up with his grandma.

Dave takes a train to his grandma's house >Causes/Enables> Dave meets up with his grandma