story: It was a Friday, and I began to walk to work. As I neared the entrance, I saw a twenty dollar bill on the ground. I stopped to pick it up, but wondered if there might be more around. I checked in the street nearby, and found another twenty! Satisfied, I went into work, $40 richer than I was before I left.
 selected sentence: It was a Friday, and I began to walk to work.
I began to walk to work >Causes/Enables> I saw a twenty dollar bill on the ground