Problem: Continue the following story.

We treated the cat to a toy and some food, and the cat chose the 
Here's how I want to continue it: toy because it was interesting.

Problem: Continue the following story.

William wrote the script for their film, while Kevin was the director, because 
Here's how I want to continue it: William was better with words.

Problem: Continue the following story.

In order to mail the envelope I needed to get some stamps from the post office, but the 
Here's how I want to continue it:
post office was out.