Q: Keywords: feed, park, pigeon
What is a sentence that includes all these keywords?

A: A boy feeding pigeons at a park.

Q: Keywords: calf, cow, graze, meadow
What is a sentence that includes all these keywords?

A: cows and calves graze in the meadow

Q: Keywords: butterfly, cocoon, emerge
What is a sentence that includes all these keywords?

A:
a butterfly emerging from its cocoon