A cloudless blue sky
A bird sitting on a post
A wooden post with a bird
The head of a bird
The beak of a bird
The foot of a bird
The tail of a bird
The feathers of a bird
A black bird
A black bird with a yellow beak
a black european starling
a black spotty bird
a yellow bird's beak
an orange bird's foot
this is a tree branch
this is a bird's wing
this is a bird's belly
this is a bird's head
this is a bird's tail
this is the sky
dark bird on top of wood stump
triangular yellow beak facing down
long wing kept close to body
yellow dots on underside of body
lighter row of curves on long tail
orange leg bent over wood
claws digging into side of wood
clear blue sky behind bird
dry grey wood with deep lines
claws curved over side of wood
tip of a tree
side of a log
section of the sky
part of the sky
bottom of a bird
beak of a bird
The sky is blue.
The sky is clear.
One bird is visible.
The bird is black.
Bird beak is yellow.
Bird sitting on stick.
One stick is visible.
The stick is brown.
the stick is rough.
Bird's foot is orange.

Objects:
sky
bird
post
head
beak
foot
tail
feathers
wing
belly
body
dots
row
curves
leg
side of post
claws
deep lines
tip
underside

Attributes:
name: sky
attrs: clear
blue
name: bird
attrs: perched
spotty
black
european starling
dark
name: post
attrs: brown
grey
dry
rough
wooden
name: head
name: beak
attrs: yellow
triangular
facing down
name: foot
attrs: orange
name: tail
attrs: long
name: feathers
name: wing
attrs: long
name: belly
name: body
name: dots
attrs: yellow
name: row
attrs: light
name: curves
name: leg
attrs: orange
bent
name: side of post
name: claws
attrs: curved
name: deep lines
name: tip
name: underside

Contrastive attributes:
attr1: brown
attr2: gray
nouns: post