a black and silver tripod
a black and silver opened laptop
a white and black mouse
a black stuffed chair
an opened wooden door with a no smoking sign on it
a black stapler
a black desk with a laptop sitting on it
a gray printer
a gray and white mp3 player on a charger
a wall that is white
a sign on a door
the handle to a door
a poster that is mulicolored
a laptop that is black
a monitor that is white
a paper that is white
brown wooden door
black chair in front of black desk
black desk on a room
black and gray laptop on black table
black and gray tripod on black table
black and white computer mouse
white off monitor behind laptop
newspaper ads sticked to wall
gray printer on a side of black table
black and gray laptop on desk
black desk on room
papers sticked to white wall
black chair on a room
black paper with multicolored cameras on it
gray metal knob on brown wooden door
black and white monitor
large wooden door propped open
extended, black and silver camera tripod
solid black desk chair
black four-legged desk
small, compact document printer
silver Ipod on docking station
white and black computer mouse
corded beige telephone
lanyard hanging on a wall
vintage beige computer monitor
this is a classroom
this is a laptop
the laptop is black
this is a doorway
the chair is black and leather
black laptop computer on desk
light gray computer monitor
black and silver tripod on desk
silver leg of tripod
silver leg of tripod
silver leg of tripod
white computer mouse
black leather office chair
silver metal door handle
open brown wooden door
A wall on the side of a building
A wall on the side of a building

Objects:
tripod
laptop
stuffed chair
door
sign
monitor
stapler
ground
desk
laptop
gray printer
gray printer

Attributes:
name: tripod
attrs: silver
black
name: laptop
attrs: black
opened
silver
name: stuffed chair
attrs: black
name: door
attrs: wooden
opened
name: sign
attrs: no smoking sign
name: monitor
attrs: ray computer
name: stapler
attrs: black
name: ground
name: desk
attrs: black
name: gray printer
attrs: gray

Contrastive attributes:
attr1: black
attr2: silver
nouns: laptop