Q: Keywords: head, model, muscle
What is a sentence that includes all these keywords?

A: model of the human head showing major blood vessels and muscles .

Q: Keywords: ball, country, match, spike
What is a sentence that includes all these keywords?

A: country spikes a ball in a match against italy .

Q: Keywords: eat, grass, pair
What is a sentence that includes all these keywords?

A:
a pair of ducks eats grass