Problem: Continue the following story.

Mary was being sued for the cost of the fence, but not the gate, because she missed the 
Here's how I want to continue it: gate with her car.

Problem: Continue the following story.

The woman bought a shell to put in the aquarium, because the 
Here's how I want to continue it: shell looked decorative.

Problem: Continue the following story.

Matthew is thinking of starting a car club and asks Leslie to join, but he can't. 
Here's how I want to continue it:
Matthew has sufficient free time.