Concepts: leave, turn, watch
A: Someone casually turns to watch someone as someone leaves.
Q: Keywords: station, steam, train
What is a sentence that includes all these keywords?

A: A train blowing steam pulling into a train station.
Produce a sentence which mentions all of these concepts: airport, jet, tarmac

A jumbo jet on the tarmac of an airport.
[Q]: Generate a sentence that includes all the following words: harmony, ship, world
[A]: harmony the worlds largest cruise ship as she departs
CONCEPTS: stain, structure, window

GEN: stained glass window of gothic structure
CONCEPTS: car, damage, windscreen

GEN:
damaged windscreen of a stationary silver car