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: Tom was friends with Jim. They were both mean! They made jokes about others! One day their mothers caught them! They were never mean to others again!
 selected sentence: Tom was friends with Jim.

Tom and Jim become friends >Causes/Enables> Tom and Jim are friends