part of a paper
part of a floor
edge of a board
part of a floor
part of  a door
edge of a line
part of a floor
part of a floor
White color floor tiles
Silver color numeric letter clock
Cream color wall tiles
Steps of the building
Silver color steel post in the step
Entrance of the building
Ceiling lights of the building
Black color board on the wall
Glass with aluminium frames
White color board on the wall
window on the door
window on the door
window on the door
window on the door
window on the door
window on the door
plaque on the wall
plaque on the wall
logo on the wall
steps on the floor
set of doors by steps
clock above set of doors
gray plaque on wall
black plaque on wall
stairs by the doors
rail in middle of stairs
lights on ceiling in building
doors at top of stairs
stairs and rails near doors at top
floor area between stairs and doors
A clock on the wall.
A set of doors.
A blue and gray logo.
A black sign with silver frame.
A white sign with silver frame.
Three metal and glass doors.
A short staircase.
A distant red wall.
A metal trash bin.
An area of shiny white flooring.

Objects:
paper
floor part
floor
edge
board
floor
tiles
floor
clock
tiles
wall
post
step
building entrance
building
board
wall
black board
glass
frames
colorboard
wall
window
door
window
door
window
door
window
door
window
door
wall
plaque
wall
steps
floor
doors
stairs
rail
stairs
light
ground
logo
white sign
doors
wall

Attributes:
name: paper
name: floor part
name: floor
name: edge
name: board
attrs: black
name: tiles
attrs: cream colored
white
name: clock
attrs: numeric
silver
name: wall
attrs: red
distant
name: post
attrs: silver colored
steel
name: step
name: building entrance
name: building
name: black board
name: glass
name: frames
attrs: aluminum
name: colorboard
attrs: white
name: window
name: door
name: plaque
name: steps
name: doors
attrs: glass
metal
name: stairs
name: rail
name: light
name: ground
name: logo
attrs: grey
blue
name: white sign
attrs: white

Contrastive attributes:
attr1: glass
attr2: wooden
nouns: doors