Problem: How does the sentence end?

Jimmy loves to paint models. Brett is much more supportive to Jimmy than Ryan, since 
Answer: Brett is much more complimentary.

Problem: How does the sentence end?

At college, Samuel's diet is not as good as Kevin's, because 
Answer: Samuel eats a lot of pizza.

Problem: How does the sentence end?

The toothpaste of Robert works better than that of Joel, so 
Answer: Robert must use a name brand toothpaste.

Problem: How does the sentence end?

Kevin voiced their environmental concerns to Logan at the pollution meeting. 
Answer:
Kevin spoke intently about their concerns.