Problem: Continue the following story.

The variety of cars that Katrina had compared to Elena was amazing, and it was because 
Here's how I want to continue it: Elena is poor.

Problem: Continue the following story.

Investing in a business better suited Brett but not Kevin because 
Here's how I want to continue it: Brett always did their taxes.

Problem: Continue the following story.

Dennis's breast has a lump in it, so they schedule an appointment with Ian because 
Here's how I want to continue it:
Ian is an expert.