[Q]: How does the sentence end?

The recipes that my mom had in her mind wouldn't fit in two books, because the

[A]: books were too few.

[Q]: How does the sentence end?

Adam wore the t-shirt to the meeting even though Dennis told them it was formal because

[A]: Adam is rebellious.

[Q]: How does the sentence end?

Neil thought Randy was exhibiting some bad behaviors but

[A]:
Randy didn't want to behave better.