Problem: How does the sentence end?

Justin didn't have the strength to lift the bricks unlike Kevin because
Answer: Justin had very weak muscles.

Problem: How does the sentence end?

When Hunter arrived they did the cleaning for Jeffrey because
Answer: Hunter was paid for it.

Problem: How does the sentence end?

The DVD was far more popular than the CD, because the
Answer: CD contained low quality entertainment.

Problem: How does the sentence end?

The chickens of Jason lay a few eggs, but Matthew gets a lot from them.
Answer:
Jason 's chickens are unhealthy.