[Q]: How does the sentence end?

Nick prefers to clean his teeth with electric toothbrush over a normal one, because the

[A]: normal one is giving him bad results.

[Q]: How does the sentence end?

Benjamin was walking quite a bit faster than Brian, as

[A]: Brian was experiencing knee pain.

[Q]: How does the sentence end?

Logan won the local art show award that Ryan wanted because

[A]:
Logan was declared a better artist.