Q: Keywords: bed, home, sister
What is a sentence that includes all these keywords?

A: sisters playing on a bed at home

Q: Keywords: fence, giraffe, grass, head
What is a sentence that includes all these keywords?

A: A giraffe behind a fence with its head down eating grass.

Q: Keywords: ceremony, chief, staff
What is a sentence that includes all these keywords?

A:
a welcoming ceremony in honor of the chief of staff