Q: Keywords: student, university, visit
What is a sentence that includes all these keywords?

A: staff and students visited university this week

Q: Keywords: grass, market, sale
What is a sentence that includes all these keywords?

A: green grass used for tea on sale at a farmers market

Q: Keywords: dragon, horn, monster, myth, tooth
What is a sentence that includes all these keywords?

A:
a creature of myth and fantasy the dragon is a fierce monster with horns and large teeth