Assertion: platypus | /r/HasAspect | a duck bill
Facets:
value: as a mammal
type: OTHER
Source sentences:
text: It was covered in fur while also having a duck bill.
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.