[Q]: How does the sentence end?

Nick just bought a new webcam and asked Brett to help set it up when

[A]: Nick did not know how.

[Q]: How does the sentence end?

Popsicles come in many flavors, but Kenneth only likes cherry and Ian likes them all because

[A]: Kenneth is very picky.

[Q]: How does the sentence end?

Christine wasn't paying attention in class unlike Cynthia, so

[A]:
Cynthia passed the math exam later that day.