a black bird in the sky
the wing of a bird
both wings of a bird
the tail of a bird
the tip of a bird's wing
a jet plane in the sky
the wing of a plane
the afterburners of a plane
the tail of a plane
a clear blue sky
The sky is blue.
The sky is blue.
The sky is blue.
The sky is blue.
The sky is blue.
The sky is blue.
The sky is blue.
a bird in a blue sky
a bird and an airplane in the sky
an airplane in the sky
black silhouette of a bird
expanse of blue sky
a clear blue sky
sky without clouds
a bird flying in the air
airplane flying in the air
two flying objects
blue sky in the background
airplane in the sky
bird in the sky
left wing of a bird
right wing of a bird
right wing of a plane
left wing of a plane
bird flying to the right of sky
plane flying forward in the sky
engine of a plane
bird and plane in flight
bird with solid black feathers
bird with wings extended outwards
softer tips at end of wings
squarish body under curve of wings
light silver top of plane
black underside of plane
two black circles connected by black line
curved top with vertical panel
bird and plane in clear blue sky

Objects:
bird
sky
wing
bird
bird
wing
wing
tail
tip
bird's wing
jet plane
sky
wing
plane
afterburners
plane
tail
plane
sky
sky
sky
sky
sky
sky
sky
bird
bird
airplane
sky
airplane
bird
sky
sky
sky
bird
airplane
object
object
sky
airplane
bird
wing
wing
bird
wing
plane

Attributes:
name: bird
attrs: black
flying
name: sky
attrs: clear blue
cloudeless
blue
name: wing
name: tail
name: tip
name: bird's wing
name: jet plane
name: plane
name: afterburners
name: airplane
attrs: flying
name: object
attrs: flying

Contrastive attributes: