Problem: Continue the following story.

Neil taught Nelson how to recycle plastic properly because 
Here's how I want to continue it: Neil was conscious of the environment.

Problem: Continue the following story.

Steven struggled with tying a bow tie, while Dennis did not, because 
Here's how I want to continue it: Steven had never done it before.

Problem: Continue the following story.

Felicia wouldn't draw their gun on the victim, but Mary would, because 
Here's how I want to continue it:
Felicia is a moral criminal.