Problem: Continue the following story.

The letter cost less to send than the package did because the 
Here's how I want to continue it: package was heavier.

Problem: Continue the following story.

Joseph had to boil some water to clean Benjamin's soiled clothes, because 
Here's how I want to continue it: Joseph was a butler.

Problem: Continue the following story.

Nick worked at a daycare and Justin never dealt with kids, so 
Here's how I want to continue it:
Justin was terrified to babysit Cindy's children.