Q: Keywords: apple, orange, pear
What is a sentence that includes all these keywords?

A: A close up of apples, pears and oranges.

Q: Keywords: demonstrate, equation, work
What is a sentence that includes all these keywords?

A: A man teaches some math on a white board, demonstrating how some equations work.

Q: Keywords: building, call, city
What is a sentence that includes all these keywords?

A:
called the city for its beautiful reddish stone buildings