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 walked to his favorite tree with a rope. He threw it over a study branch and tied a knot. Mike tied a seat to the free end of the rope. He then began to swing on the tree all afternoon. When he was done, Mike untied his swing from the tree.
 selected sentence: He then began to swing on the tree all afternoon.

Mike walks to his favorite tree with a rope >Causes/Enables> Mike swings on the tree all afternoon