Q: Keywords: burn, candle, melt
What is a sentence that includes all these keywords?

A: the burning candle on which to melt wax

Q: Keywords: bathtub, hang, wall
What is a sentence that includes all these keywords?

A: A white robe hangs on a wall next to an empty bathtub.

Q: Keywords: bean, bread, piece
What is a sentence that includes all these keywords?

A:
Foot long hotdogs on a piece of bread smothered in baked beans and cheese