Q: Keywords: boat, building, lot
What is a sentence that includes all these keywords?

A: A boat that is around a lot of buildings.

Q: Keywords: fire, fireplace, roar
What is a sentence that includes all these keywords?

A: a roaring fire blazing away in an old fashioned fireplace

Q: Keywords: cloud, gather, tide
What is a sentence that includes all these keywords?

A:
storm clouds gathering over a very high tide