Assertion: kelp | /r/CapableOf | have appeared in miocene
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Source sentences:
text: Kelp grows in underwater "forests" in shallow oceans, and is thought to have appeared in Miocene, 23 to 5 million years ago.
text: Kelp grows in "underwater forests" (kelp forests) in shallow oceans, and is thought to have appeared in the Miocene, 5 to 23 million years ago.