Q: Keywords: cat, flower, meadow
What is a sentence that includes all these keywords?

A: domestic cat cuddling up to a pug on a flowering meadow

Q: Keywords: baton, participate, race
What is a sentence that includes all these keywords?

A: Two boys are participating in a relay race with a baton.

Q: Keywords: car, color, rainbow
What is a sentence that includes all these keywords?

A:
cars of color of a rainbow