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: The boy picked his nose. His mom made him stop. The boy did it in private the next time. His mom did not make him stop that time. He started picking his nose in private all the time.
 selected sentence: He started picking his nose in private all the time.

The boy's mom makes him stop >Causes/Enables> The boy picks his nose in private