Concepts: light, sign, stop, warn
A: A sign that warns that bikers must stop for traffic lights.
Q: Keywords: bring, colour, street
What is a sentence that includes all these keywords?

A: bring some colour on to the street
Produce a sentence which mentions all of these concepts: admire, couple, mountain

couple admiring mountains from the balcony of hotel
[Q]: Generate a sentence that includes all the following words: flower, window, windowsill
[A]: wooden window and flowers on the windowsill
CONCEPTS: eat, horse, straw

GEN: horses eating straw in a barn
Produce a sentence which mentions all of these concepts: give, pastor, sermon
The pastor is giving a sermon.