Concepts: brow, furrow, sit
A: Sitting on a crate, someone furrows his brow thoughtfully.
Q: Keywords: control, machine, shirt
What is a sentence that includes all these keywords?

A: The woman in the shirt is controlling the small machine.
Produce a sentence which mentions all of these concepts: cake, jam, layer

the cake was stacked with layers of meringue and jam
[Q]: Generate a sentence that includes all the following words: ceiling, dome, vault
[A]: architectural style vaulted ceiling with dome
CONCEPTS: add, burst, color

GEN: add a burst of color with a temporary tattoo .
Concepts: bike, maintenance, perform
A:
Three bicyclists are performing maintenance on their bikes.