[Q]: How does the sentence end?

Joseph was helping Kevin clean their new wound on their back because

[A]: Kevin has a scrape on their back.

[Q]: How does the sentence end?

The man replaced the orange linoleum in the kitchen with gray tile because the

[A]: linoleum was outdated.

[Q]: How does the sentence end?

It was obvious that the beagle belonged to Sarah and not Rachel because

[A]:
Sarah loved beagles.