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: Tony was at his grandmother's house. His grandmother fixed him a sandwich. Tony's grandmother put mustard on the sandwich. Tony didn't like mustard. He didn't eat the sandwich.
 selected sentence: He didn't eat the sandwich.

His grandmother fixes a sandwich for Tony >Causes/Enables> Tony doesn't eat the sandwich