this is a man
this is a class room
desks in a class room
this is a projection screen
man standing in front of class
man wearing a sports coat
man is doing a lecture
the chair is empty
person standing in front of class
tan desk and chair
white and black screen in back of class room
white shade drawn across window
black projector in corner
tie on man's shirt
tan suit jacket
pair of black pants
person in grey jacket sitting at desk
two people sitting at desk on side of room
a classroom setting
a power point presentation
a black projector on a black table
man standing at the front of the classroom
woman sitting to the side
group of chairs and desks
gray carpeted floor
people inside a classroom
words on the screen
a man standing
a brown tie
a screen with words
a woman sitting at the desk
a cup in holder
a black stand
a large classroom
the hanging light in ceiling
a retractable projector screen
a school desk and chair
a school desk and chair
a school desk and chair
man wearing a brown jacket
man wearing a brown jacket
woman wearing a white shirt
man wearing a grey shirt
man in khaki suit jacket
smiling adult white male
eyeglasses on man's face
hanging projector screen with picture

Objects:
man
desks
classroom
desk
desk
desk
desk
desk
man
coat
man
chair
person
class
screen
room
shade
projector
man's tie
shirt
jacket
black pants
pants
person
jacket
desk
person
person
desk
jacket
adult male
eyeglasses
face
screen

Attributes:
name: man
attrs: wearing
name: desks
name: classroom
name: desk
name: coat
name: chair
attrs: empty
name: person
attrs: standing
name: class
name: screen
attrs: hanging
black
name: room
name: shade
attrs: white
drawn
across
name: projector
attrs: black
name: man's tie
name: shirt
name: jacket
attrs: grey
suit
khaki
tan
name: black pants
name: pants
attrs: black
name: adult male
attrs: smiling
white
male
name: eyeglasses
name: face

Contrastive attributes: