input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: football player continues his return from injury .
Concepts: continue
injury
player

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: Some friends eat pizza in the school library.
Concepts: eat
friend
library
pizza

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: passengers watching mass transportation system pulling in
Concepts: passenger
pull
watch

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer:
Sentence: mountain bikers descending a ridge in the steep hills .
Concepts: biker
descend
ridge