[Q]: How does the sentence end?

Dennis's business flourishes while Michael's is failing; I guess

[A]: Michael must be a lazy worker.

[Q]: How does the sentence end?

Recycling is a huge priority of Angela while Rachel couldn't care less, so

[A]: Angela encourages them to recycle.

[Q]: How does the sentence end?

The hamster cage that Logan owns is small, while Nelson has a big one.

[A]:
Nelson 's hamster has ample space.