input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: mass transportation system carried passengers virtually the same number as the year before .
Concepts: carry
passenger
system

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: A boys shadow shows on the wall as he skateboards on the sidewalk.
Concepts: sidewalk
skateboard
wall

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: the harbour and port with fishing boats moored and old buildings on the quay
Concepts: building
harbour
port

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer:
Sentence: fans add a dash of colour as they look forward
Concepts: add
colour
fan