input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: Reaching his car again, the narrator grabs his keys and notices that the door is already unlocked.
Concepts: door
grab
key
reach

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: clouds passing on the sky
Concepts: cloud
pass
sky

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer:
Sentence: athlete led country to the semifinals but was sent off early in the match against country .
Concepts: athlete
country
send