story: Mable knew she couldn't mow her lawn at her advanced age. She went next door and asked the neighbor boy if he would do it. The boy agreed and mowed her lawn for her. When Mabel went to give the boy money he wouldn't take it. Mable shed a tear from the boy's kindness.
 selected sentence: She went next door and asked the neighbor boy if he would do it.
Mable couldn't mow her lawn >Causes/Enables> The neighbor boy was asked to mow Mable's lawn by Mable