Q: Keywords: colt, graze, mother, paddock, stay
What is a sentence that includes all these keywords?

A: young colt staying close to mother grazing fresh grass in a paddock

Q: Keywords: bed, cover, pillow
What is a sentence that includes all these keywords?

A: A bed that has a cover and pillows.

Q: Keywords: city, head, train
What is a sentence that includes all these keywords?

A:
trains heading east along a city