Concepts: equation, give, line, write
A: write the equation of each line in the given form .
Q: Keywords: station, subway, train
What is a sentence that includes all these keywords?

A: An electric train or subway at the empty station.
Produce a sentence which mentions all of these concepts: energy, source, sun

sun as a source of energy .
[Q]: Generate a sentence that includes all the following words: firework, light, night, sky
[A]: explosive fireworks shooting into the sky lighting up the night
CONCEPTS: bridge, city, lead

GEN: arch bridge is a lively spot that leads into a city
Concepts: chimney, cloud, roof, sky
A:
solar panels on a rooftop reflecting a pitched roof and chimney against a blue sky with clouds