In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen after that sentence. Is any of them directly caused by it, or is made possible by it? 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. Do not change the main selected sentence in your answer.

story: Sydney loved to play with his toys that his mother had bought him. His favorite toy was his orange ball. He loved the orange ball so much that he played all day with it. One day he discovered if he tossed the ball at his toy cups they fell. He was very happy that he discovered such a fun game to play.
selected sentence: His favorite toy was his orange ball.
The orange ball is Sydney's favorite >Causes/Enables> Sydney plays with the orange ball