Assertion: black swan | /r/HasProperty | rare
Facets:
value: extremely
type: DEGREE
value: with severe consequences
type: OTHER
value: to uncommon
type: DEGREE
Source sentences:
text: They are rare to uncommon in the dry central and tropical northern areas of Australia, and are absent from Cape York Peninsula (the most northern tip of Australia).
text: Simply put, a black swan is an incredibly rare bird.
text: A black swan is an extremely rare event with severe consequences.