Problem: Continue the following story.

The birdcage was cleaner than the dog kennel because the 
Here's how I want to continue it: kennel was used more often.

Problem: Continue the following story.

Robert was very physically attractive but Matthew was rather homely. 
Here's how I want to continue it: Robert found it very easy to get dates.

Problem: Continue the following story.

when writing his poem, the words did not fit into the papers, the 
Here's how I want to continue it:
papers was limited.