Problem: How does the sentence end?

For his dogs, Matthew feeds them a lot of meat, while Ryan's eat mostly grains. 
Answer: Matthew 's dogs are happier.

Problem: How does the sentence end?

Justin wanted to live in the country and own a horse but Kevin preferred the city. 
Answer: Kevin was bored by the slow pace.

Problem: How does the sentence end?

Kenneth handed the keys over to Nick, the new homeowner, and 
Answer: Kenneth officially sold the house.

Problem: How does the sentence end?

At the BBQ, Christopher asked Lawrence for a hamburger bun, because 
Answer:
Lawrence did have an extra one.