Problem: Continue the following story.

The stars in Hollywood can have their name engraved in the star and receive an award. However, the 
Here's how I want to continue it: award is more private.

Problem: Continue the following story.

The vacation was more expensive than the business trip was because the 
Here's how I want to continue it: business trip was shorter.

Problem: Continue the following story.

Rachel found it easier to communicate with young children than Betty because 
Here's how I want to continue it:
Rachel had children of her own.