two blue doors of building
black numbers on white background
black number on blue background
mail slots on two doors
round knobs of blue doors
three in windows on side of building
blue frames of three windows
sidewalk in front of building
street in front of sidewalk
dark spots on sidewalk
a green door on the building
fr rent sign in the window
a person in the long window
a mail slot in the door
the handle for the green door
a clock above the door
the black hands of the clock
cars reflection in the window
the black fence next to the door
the step near the sidewalk
a red building of brick
a green door with number 42
a green door with number 40
three windows on right side of door
windows are narrow
a white clock over a green door
a clock over a window
windows are closed
handle of a door
a slot for mail
Two green doors of building.
Three windows with green window panes.
Window with a 'For Rent' sign in it.
Black, white and orange sign in window.
'42' on green door.
'40' on a green door.
Black and white clock.
Door knocker to green door number '40'.
Mail slot to door number '42'
Mail slot to door number '40'.
red brick building
two blue doors
blue door with the number 42 on the front
blue door with a black knocker and the number 40 on the front
three windows with blue casings
window with a "For Rent" sign
window with a clock in it
two wide dark colored windows
gray sidewalk with dark spots
blue door with a mail slot

Objects:
door
door
building
number
number
background
background
number
number
background
background
mail slot
mail slot
knob
knob
window
window
window
sidewalk
for rent sign
person
clock
hand
hand
car reflection
car reflection
fence
step
brick
brick
brick
brick
brick
number 42
number 40
window
window
window pane
window pane
window pane
knocker
window

Attributes:
name: door
attrs: green
blue
name: building
name: number
attrs: black
name: background
attrs: white
blue
name: mail slot
name: knob
attrs: round
name: window
attrs: closed
narrow
blue
dark
wide
name: sidewalk
name: for rent sign
attrs: orange
white
black
name: person
name: clock
attrs: white
black
name: hand
attrs: black
name: car reflection
name: fence
attrs: black
name: step
name: brick
attrs: red
name: number 42
name: number 40
name: window pane
name: knocker
attrs: black

Contrastive attributes:
attr1: black
attr2: white
nouns: clock
attr1: blue
attr2: green
nouns: door
attr1: wide
attr2: narrow
nouns: window