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: Yesterday I went to the grocery store. When I got in line to pay I was waiting forever. It took an hour to get through the line. It was terrible. I knew not to go back there.
 selected sentence: I knew not to go back there.

The grocery store line took a long time >Causes/Enables> I knew not to go back there