input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: Two train engines on the track in the city.
Concepts: city
engine
track

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: debris lies on the ground .
Concepts: debris
ground
lie

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: A plane that is unloading at an airport.
Concepts: airport
plane
unload

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer:
Sentence: an umbrella shields these pedestrians from the snow as they venture out during a blizzard .
Concepts: blizzard
shield
snow