Assertion: female arctic fox | /r/CapableOf | give birth to up to 15 cubs
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Source sentences:
text: A female Arctic fox can give birth to up to 15 cubs at once
text: After a gestation period of a couple of months, the female Arctic fox gives birth to up to 15 cubs which are born at the start of summer and after being nursed by their mother, are fairly independent by the time the Arctic winter starts again.