Concepts: city, move, track
A: A train engine and several cars moving along a track in a city.
Q: Keywords: entrance, soldier, stand
What is a sentence that includes all these keywords?

A: entrance with soldiers standing guard
Produce a sentence which mentions all of these concepts: concede, deject, goal, goalkeeper

goalkeeper appears dejected after he concedes a goal
[Q]: Generate a sentence that includes all the following words: leopard, relax, tree
[A]: a leopard relaxing in the tree
CONCEPTS: line, plant, roll, vehicle

GEN: the last vehicle to roll off the production line at the plant .
CONCEPTS: elephant, graze, plain

GEN:
A bunch of elephants grazing in an expansive plain.