Assertion: mastodon's remain | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
value: given
type: DEGREE
Source sentences:
text: Human remains of any distant past are very, very rare
text: Hamblin and others have observed, for example, that the Huns of central Asia and eastern Europe reportedly had hundreds of thousands of horses, yet remains of these horses are exceptionally rare given what we would expect.