Assertion: elephant | /r/CapableOf | go extinct
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Source sentences:
text: Are Elephants Going Extinct
text: Two other gomphotheres of this era--Amebelodon ("shovel tusk") and Platybelodon ("flat tusk")--had even more distinctive tusks, so much so that these elephants went extinct when the lakebeds and riverbeds where they dredged up food went dry.