bird's beak is black
bird's beak is black
bird's beak is black
bird's beak is black
bird's beak is black
bird's neck is long
bird's neck is long
bird's neck is long
bird's neck is long
this is a bird
the beak of a bird
this is a branch
this is a branch
this is a branch
this is a bird
the feathers are brown

Objects:
bird
beak
branch
branch
bird
feathers
brown feathers

Attributes:
name: bird
name: beak
name: branch
name: feathers
attrs: brown
name: brown feathers

Contrastive attributes: