man holding Frisbee in classroom
tee shirt hanging out of sweater
chalk writing on blackboard
glasses on man's face
neck of white tee shirt
two lights on ceiling
projector on floor with cord
chair on floor against wall
black long sleeved sweater
wiped chalk on blackboard
the man is carrying a frisbee
the frisbee is white
man is wearing a shirt
the shirt is black
man is wearing a pants
the pants are brown
the man is wearing eyeglasses
the man is wearing shoes
the wall is beige
the board is black
the floor is waxed
the man wears shoes
the shirt is black
the words are white
the board is green
the man wears glasses
the lights are on
the speaker is black
the vent is white
boy wearing black shirt
boy wearing tan pants
boy wearing wire frame glasses
boy wearing tennis shoes
black board affixed to the wall
over head projector on floor
chair sitting against  wall
sky light windows in ceiling
words written on blackboard
tan class room floor
man holding an object
white shoes on the mans feet
vent built into the floor
beige pants being worn
chalk writing on the board
glasses on the mans face
side of a chair in the background
light built into the ceiling
black sweater worn over a white shirt
black chalkboard on the wall

Objects:
man
frisbee
tee shirt
sweater
blackboard
chalk writing
glasses
tee shirt
white
lights
ceiling
projector
floor
chair
wall
pants
shoes
speaker
vent
shoes
wall
white shirt

Attributes:
name: man
name: frisbee
attrs: white
name: tee shirt
name: sweater
attrs: long sleeve
black
name: blackboard
attrs: green
wiped
black
name: chalk writing
attrs: white
name: glasses
attrs: wire
name: white
name: lights
attrs: on
name: ceiling
name: projector
name: floor
attrs: waxed
tan
name: chair
name: wall
attrs: beige
name: pants
attrs: beige
brown
name: shoes
attrs: tennis shoes
white
name: speaker
attrs: black
name: vent
attrs: white
name: white shirt

Contrastive attributes: