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's car broke down so he began to walk home. A car pulled beside him as he walked. The driver asked Sam if he wanted a ride. Sam did not trust the tone of the driver. Sam said nothing and the driver drove away.
 selected sentence: The driver asked Sam if he wanted a ride.

The car pulls beside Sam as he walks >Causes/Enables> The driver offers Sam a ride