black birds perched on fence
the fence is green
the fence is green
the fence is green
Three black birds on a railing
The tail of a crow
The head of a crow
The feet of a bird perching on a rail
The beak of a bird
A crow perched on a railing
A green railing with birds perched on it
The body and wings of a black bird
A floor of apartments
An upright of a railing
A black crow sits on a fence
A crow sits in between two other crows
A crow sits next to two other crows
A green chain linked fence with crows on it
An apartment complex across the street
A utility pole next to the apartment complex
The sky above the city
Three crows sit on a fence
The top of the tree from below
Electric wires connected to the pole
three blackbirds on a fence
two blackbirds on a fence
a blackbird on a fence
the head of a bird
the head of a bird
the head of a bird
the beak of a bird
the beak of a bird
the beak of a bird
the bill of a bird
The bird on the left is sitting on the fence.
The bird in the middle is sitting on the fence.
The bird on the right is sitting on the fence.
The fence is green.
The fence is made of metal.
The fence poll is green.
The fence poll is made of metal.
The birds beak is black.
The birds feet are black.
The birds feathers are black.

Objects:
bird
bird
bird
fence
greenfence
blackbirds
railing
tail
crow
crow head
crow head
feet
rail
bird
beak
crow
crow
crow
railing
body
wings
black crow
black crow
black crow
crow
apartment
crows
fence
wires
pole
blackbirds
blackbird
bird
head
head
beak
beak
beak
bird
bill
fence
post
beak
birds
feet
feet
feet
bird
bird
black feathers
black feathers
black feathers

Attributes:
name: bird
attrs: perching
black
name: fence
attrs: green
name: greenfence
attrs: green
name: blackbirds
attrs: black
name: railing
name: tail
name: crow
attrs: perched
name: crow head
name: feet
attrs: black
name: rail
name: beak
attrs: black
name: body
attrs: muscular
name: wings
attrs: folded
name: black crow
name: apartment
name: crows
name: wires
attrs: electric
name: pole
name: blackbird
name: head
name: bill
name: post
attrs: metal
name: birds
name: black feathers
attrs: black

Contrastive attributes: