Q: Keywords: engine, leak, oil
What is a sentence that includes all these keywords?

A: A man is describing how an engine can leak oil.

Q: Keywords: eat, enclosure, giraffe, hay
What is a sentence that includes all these keywords?

A: A group of giraffes are inside an enclosure, two of them eat hay.

Q: Keywords: flock, gather, sheep
What is a sentence that includes all these keywords?

A:
The flock of sheep are gathering in order to stay warm