Problem: Continue the following story.

The man took the north road to work instead of the south road because the 
Here's how I want to continue it: north road had less holes.

Problem: Continue the following story.

The car of Sarah had more power than that of Katrina because 
Here's how I want to continue it: Sarah had a bigger engine.

Problem: Continue the following story.

Katrina went to the closet to get a blanket to cover Maria because 
Here's how I want to continue it:
Katrina is a nurse.