Concepts: day, park, spend
A: man spend a day in the park
Q: Keywords: aircraft, airport, takeoff
What is a sentence that includes all these keywords?

A: aircraft stands at the airport before takeoff and the engine warms
Produce a sentence which mentions all of these concepts: bathroom, cabinet, sink, toilet

A compact style bathroom with the toilet and sink in the wall along with cabinets on the wall.
[Q]: Generate a sentence that includes all the following words: train, tree, tunnel
[A]: a train in a tunnel near many trees
CONCEPTS: mail, passport, renew

GEN: you can renew a passport by mail .
Produce a sentence which mentions all of these concepts: bank, city, lie
a city lies on the northern banks .