Problem: How does the sentence end?

Steven was accused by Matthew of not participating in recycle activities because 
Answer: Steven likes to use plastic.

Problem: How does the sentence end?

The dog of Brett's behavior was a lot worse than that of Leslie's, because 
Answer: Brett dog was disobedient.

Problem: How does the sentence end?

It feels more humid in the house than on the patio because the 
Answer: patio doesn't have a fan drawing moisture in.

Problem: How does the sentence end?

Kevin is much more of a risk taker than Joseph, because 
Answer:
Joseph is a boring person.