three planes in the sky
two planes are alike
one plane is different
white wispy clouds in sky
three planes flying in formation
two planes with four wings
one plane with two wings
three planes flying together
a grayish blue sky
two planes following the lead plane
part of a cloud
part of a wing
edge of a plane
part of a cloud
tip of  a plane
part of the  sky
tip of a plane
edge of  a plane
side of a plane
part of a cloud
three planes flying in sky
biplane flying in sky
small plane flying in sky
old plane flying in sky
wing of plane in sky
small propeller on front of plane
tail fin of plane
image on bottom of wing
propeller on front of plane
double wing set up of plane
double winged yellow airplane
double winged yellow airplane
single winged yellow airplane
clouds in the sky
grey sky with clouds
engine of a single winged airplane
engine of a double winged airplane
engine of a double winged airplane
tail of a double winged airplane
tail of a single winged airplane
part of  a cloud
edge of  a cloud
part of a plane
edge of a plane
part of a plane
part of a plane
part of the plane
part of the sky
edge of a plane
tip of a plane

Objects:
planes
sky
planes
plane
plane
plane
sky
clouds
formation
plane
plane
plane
plane
wing
wing
planes
plane
plane
cloud`s part
wing
cloud
plane
tip
tip
tip
cloud
planes
plane
plane
plane
wing
plane
tail fin
plane
airplane
airplane
airplane
engine
engine
airplane
tail
airplane
tail
airplane
part plane
part plane
plane
edge
tip

Attributes:
name: planes
name: sky
attrs: grayish
wispy
blue
name: plane
attrs: lead
name: clouds
attrs: white
name: formation
name: wing
name: cloud`s part
name: cloud
name: tip
name: tail fin
name: airplane
attrs: yellow
name: engine
name: tail
name: part plane
name: edge

Contrastive attributes: