Problem: Continue the following story.

Sidney recently bought a silk bikini and she also had an old one made of cotton. The 
Here's how I want to continue it: cotton bikini was bought two years ago.

Problem: Continue the following story.

It is good to get into the habit of using the recycling bin instead of the trash can because using the 
Here's how I want to continue it: recycling bin is good for the environment.

Problem: Continue the following story.

Jason built a better website for the contest than Justin even though 
Here's how I want to continue it:
Justin is a better programmer.