Problem: Continue the following story.

The kitten climbed onto Mary's lap and avoided Felicia because
Here's how I want to continue it: Felicia had been playing with dogs.

Problem: Continue the following story.

The milk gets colder when mixed with the water in the cup because the
Here's how I want to continue it: water is cold.

Problem: Continue the following story.

Cynthia painted the walls better than Amy did because
Here's how I want to continue it:
Cynthia was a carpenter during the day.