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: The waitress served my food to me. However, an angry man approached us. He asked the waitress why she works there. In addition, he said he was disappointed in her. Luckily, she was patient and treated the man with respect.
 selected sentence: He asked the waitress why she works there.

The angry man approaches the waitress >Causes/Enables> The angry man talks to the waitress