Black fork on a plate
White plate on a table
Water bottle on a table
Laptop on a table
Black hair on a man
Person standing in a classroom
Whiteboard on a wall
Projector screen in the front of a classroom
Blue shirt on a man
White cloth on a table
woman standing at the front of the room
four people sitting down
half empty water bottle
empty white plate with a black plastic fork on it
silver laptop that is turned on
brown podium
blank whiteboard at the front of the room
PowerPoint presentation playing on the projector screen
top of a black chair
older man
A white projection screen
Clear plastic water bottle
Black phone on top of the table
Man wearing a blue long sleeve shirt
White papers with black wording
A black fork on top of a plate
A black and silver laptop
A man in a blue sweater
The man speaks at the podium
There is a whiteboard behind the speaker
person with hand to shoulder
person standing at the front of the room
person standing at the podium
cellphone on the table
fork on a white plate
white plate with a fork
plastic cup on the table
plastic water bottle on the table
projector screen at front of the room
man with glasses looking at laptop
part of a ceiling
part of a shirt
part of an edge
part of a sweater
edge of a phone
part of  a screen
edge of a surface
edge of a plate

Objects:
fork
plate
table
water
laptop
hair
man
teacher
room
board
wall
shirt
cloth
projector
phone
paper
speaker
podium
lights

Attributes:
name: fork
name: plate
name: table
name: water
name: laptop
name: hair
name: man
name: teacher
name: room
name: board
name: wall
name: shirt
name: cloth
name: projector
name: phone
name: paper
name: speaker
name: podium
name: lights

Contrastive attributes: