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: Bill was going to win the science project He just needed a great idea He sat for hours and hours Finally it came to him! He was going to build a talking robot!
 selected sentence: He just needed a great idea

Bill has idea >Causes/Enables> he going next to build a talking robot