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: Sam was waiting at a bus stop. There was a puddle near by. He wasn't aware of it. A car drove over it and splashed Sam. Sam had to go back home and change.
 selected sentence: He wasn't aware of it.

The puddle is near the bus stop where Sam is waiting >Causes/Enables> Sam overlooks the puddle