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: Lucius was asked to write a report on aging. He imagined his own life at 85. He thought of his grandfather, who has a simple but happy life. Lucius realized he didn't fear aging. He drove to his grandfather's house after school to be with him.
 selected sentence: Lucius was asked to write a report on aging.

Lucius goes to school >Causes/Enables> Lucius has to write a report