input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: travelling on a train through countryside .
Concepts: countryside
train
travel

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: An electric train or subway at the empty station.
Concepts: station
subway
train

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer: Sentence: a rocket launches the satellite .
Concepts: launch
rocket
satellite

input question: Generate a sentence, and then tell me the concepts included in that sentence.
output answer:
Sentence: the pair flew out from the thorny forest and landed on tree above us
Concepts: land
pair
tree