[Q]: How does the sentence end?

Randy listened to Kevin explain how to use the software because

[A]: Kevin was an expert.

[Q]: How does the sentence end?

Samuel asked Christopher for advice on how to act around a celebrity since

[A]: Samuel knew they had experience being around them at their work.

[Q]: How does the sentence end?

My uncle always wore a bandana while riding and not a helmet, because he thought the

[A]:
helmet was nerdy.