Problem: How does the sentence end?

Justin was a farmer with a better crop than Randy, because
Answer: Justin used a fancy type of fertilizer.

Problem: How does the sentence end?

Carrie is being paid to build a round pen for Betty's pigs, so
Answer: Betty is the farmer.

Problem: How does the sentence end?

Aaron showed Kenneth the new siding that he put up all by himself.
Answer: Kenneth was proud of him.

Problem: How does the sentence end?

Nick quite often likes to drive too fast but Robert never does because
Answer:
Nick is reckless.