Assertion: platypus | /r/HasProperty | one of a kind
Facets:
value: certainly
type: DEGREE
Source sentences:
text: It is the platypus, and it is certainly one of a kind.
text: As a mammal that lays eggs, has a duck's bill, a beaver's tail, an otter's feet and a venomous spur on its foot (males only), the platypus is a one of a kind animal.