[Q]: How does the sentence end?

Katrina had nice clean hair but Patricia did not. This was due to

[A]: Katrina having plenty of hot water.

[Q]: How does the sentence end?

Brett got along with their boss very well but not Eric because

[A]: Eric was a lackadaisical worker.

[Q]: How does the sentence end?

The chemicals that I bought didn't clean the counters well because the

[A]:
counters were too dirty.