Concepts: appear, stair, top
A: A man with a long, brown beard appears at the top of the stairs.
Q: Keywords: combination, form, rain, rainbow, scene
What is a sentence that includes all these keywords?

A: a time lapse shows a stormy scene with a rainbow forming from the combination of rain and sunshine
Produce a sentence which mentions all of these concepts: area, track, train, tree

Long train on a track near a grassy area with trees.
[Q]: Generate a sentence that includes all the following words: add, ceiling, room, vault
[A]: trim and beams add a vaulted ceiling feel to any room .
CONCEPTS: bloom, crack, flower

GEN: flowers blooming from a crack in the bridge rail .
CONCEPTS: come, helicopter, ship

GEN:
cooperation a helicopter on the deck of ship while a helicopter comes