Assertion: mammoth's set | /r/CapableOf | last for 10 years
Facets:
Source sentences:
text: The third set of molars lasted for 10 years, and this process was repeated until the final, sixth set emerged when the animal was 30 years old.
text: The third set of molars lasted for 10 years, and this process was repeated until the sixth set emerged at 30 years of age.