two double decker buses
white dashed lane dividers
a cement side walk
a bare tree with curved branches
a row of windows
a street lamp
a smallblack fence
route number 21
the rear window of a bus
red double deck bus
red double deck bus
white clouds in  blue sky
white clouds in  blue sky
white clouds in  blue sky
white clouds in  blue sky
white clouds in  blue sky
white clouds in  blue sky
first red and black bus in line
second red bus in line
black asphalt road with white lines
long brick building with white trim
light post behind last bus
007 advertisement on first bus
white advertisement on second bus
green number 21 on first bus
green 21 on second bus
top line of windows on first bus
two double level buses
a yellow line painted on a street
white lines painted on a street
a red two level bus
a red brick building
a curb next to a street
a tree with no leaves
a row of windows on a bus
several trees with no leaves
a bus parked next to a curb
window on the building
window on the building
window on the building
window on the building
window on the building
window on the building
window on the building
window on the building
window on the building
window on the building

Objects:
lane
dividers
sidewalk
windows
number 21
advertisement
bus
window
window
bus
sky
clouds
sky
sky
clouds
clouds
sky
sky
clouds
sky
bus
brick
building
trim
light post
advertisement
bus
number
bus
21
line
line
line
street
brick building
curb
tree
windows
trees
window
window
window
window
window
building
window
window
window
window
window
window
building
window
building
building
window

Attributes:
name: lane
name: dividers
attrs: white
dashed
name: sidewalk
attrs: cement
name: windows
attrs: row
name: number 21
attrs: route
21
name: advertisement
name: bus
attrs: red
second
in line
first
two-level
black
name: window
name: sky
attrs: blue
name: clouds
attrs: in sky
white
name: brick
attrs: brick
name: building
attrs: long
name: trim
attrs: white
name: light post
name: number
attrs: green
name: 21
attrs: green
name: line
attrs: white
name: street
name: brick building
attrs: red
brick
name: curb
name: tree
attrs: bare
name: trees
attrs: several

Contrastive attributes: