Assertion: jellyfish | /r/UsedFor | more than 650 million years
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Source sentences:
text: Jellyfish have been around for more than 650 million years, which means that they outdate both dinosaurs and sharks.
text: Jellyfish are beautiful ocean animals that have been around for about 650 million years!
text: Jellyfish fact: Jellyfish has been around for more than 650 million years which means that they outdate both dinosaurs and sharks.