Problem: Continue the following story.

To get a better clean, Mark used the sponge instead of the towel, because the 
Here's how I want to continue it: sponge got cleaner faster.

Problem: Continue the following story.

Rachel is teaching Samantha how to read a book that is very interesting, since 
Here's how I want to continue it: Samantha is a student.

Problem: Continue the following story.

Donald thought the room looked beautiful after redecorating, Leslie wasn't in agreement. 
Here's how I want to continue it:
Leslie was unhappy with it.