Problem: Continue the following story.

Cynthia applied sunscreen while Tanya did not. 
Here's how I want to continue it: Cynthia has naturally fair skin that burns easily.

Problem: Continue the following story.

Christine hates to go fishing, but Patricia loves it. This is due to 
Here's how I want to continue it: Christine being an indoor person.

Problem: Continue the following story.

Rebecca didn't drink cocktails, but Laura did a lot. The cops praised 
Here's how I want to continue it:
Rebecca for their maturity.