Concepts: light, prism, rainbow
A: when white light travels through a prism it comes out a rainbow .
Q: Keywords: celebration, hang, lantern
What is a sentence that includes all these keywords?

A: lanterns hung for the celebrations
Produce a sentence which mentions all of these concepts: coast, island, ruin

ruins and columns of ancient city before rain on a coast on island .
[Q]: Generate a sentence that includes all the following words: family, grass, rest
[A]: family with baby girl resting on a grass in a park .
CONCEPTS: buck, chase, doe

GEN: a buck chases a doe in the evening hours .
CONCEPTS: geranium, grow, specie

GEN:
biological species or wild geranium growing on the banks