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: Dan hated minivans. But with a 4th kid on the way he had no choice. He drove the van to work. His friend Rob saw him and began laughing. Dan was angry with Rob the whole day.
 selected sentence: Dan was angry with Rob the whole day.

Rob laughs at Dan >Causes/Enables> Dan is angry