Assertion: mammoth's population | /r/CapableOf | survive in north america
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Source sentences:
text: Scientific evidence suggests that small populations of woolly mammoths may have survived in North America until between 10,500 and 7,600 years ago.
text: Evidence suggests that some small populations of Wooly Mammoths survived in North America until between 10,500 and 7,600 years ago.