The dragonfly is an ancient insect. There were no wasps, butterflies, and flowers on the earth 300 million years ago, but the dragonfly has already flown around. Can it be launched from this? ['Dragonfly is the earliest insect on earth.', 'Animals appeared earlier than plants on Earth.', 'The earliest dragonfly that appeared on the earth could not fly among flowers.', 'There can be no butterflies flying around without flowers.']