Concepts: plume, site, smoke
A: the plume of smoke from a large fire on the site .
Q: Keywords: country, southwest, tower, town, wall
What is a sentence that includes all these keywords?

A: a town an ancient city in the southwest of country hewn from towering walls of rock
Produce a sentence which mentions all of these concepts: bull, kill, matador

matador about to kill a bull
[Q]: Generate a sentence that includes all the following words: park, summer, waterfall
[A]: artificial waterfall which is falling down from huge rock in an amusement park at summer sunny day .
CONCEPTS: engine, steam, track

GEN: Two train engines on the track with steam coming from the bottom.
CONCEPTS: roof, track, train

GEN:
A train is on the tracks under a roof.