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: Mike took his dog for a walk. He went down to the end of the block. His friend Tommy was there with his dog. Tommy and Mike talked while their dogs played. The boys said goodbye and went back home.
 selected sentence: Tommy and Mike talked while their dogs played.

Mike and Tommy ran into each other while walking their dogs >Causes/Enables> Mike and Tommy talked