This is a person
a black tie with wshite dots
a news page attached to the wall
the laptop displayed information
the phrase parent B
a man explaining  about genetics
an empty blackboard
the head of the man
the long sleeve white shirt
the phrase Parent A
the projection of the laptop display
A man is giving a presentation.
A man is standing next to a projecter screen.
A blackboard is behind the man.
A laptop is in the foreground.
A light is reflected off the laptop screen.
A graph is on the projector screen.
A paper is hanging on the board.
A wood table is partially visible.
The man is wearing a tie.
The wall is green.
nervous guy presenting wearing blue tie
Reflection on the computer screen
Computer screen turned off
Presentation projected on White background
Flow chart on presentation.
Blue and white polka dot tie
Poster attached to the chalkboard
White speaker box mounted to walk
Black chalkboard behind kid
Jewish Afro
Paper with pictures on it and writing on the black board.
Blue tie with white spots on it.
Laptop that is switched on with the reflection of lights on it.
Reflection of white lights on the laptop screen.
A man in a long sleeve white shirt with curly brown hair.
Nose on the face of a man.
A black board behind a man.
A brown wood desk.
A white projector screen with a spreadsheet on it.
Right hand of a curly brown haired man.

Objects:
person
tie
dots
laptop
information
parent b
phrase
man
blackboard
shirt
parent a
phrase
man
man
screen
man
blackboard
foreground
graph
screen
paper
board
tie
wall
guy
screen
tie
poster
chalkboard
speaker box
kid
chalkboard
ground
afro
spots
light
light
laptop
man
shirt
sleeve
hair
ground
spreadsheet
right hand

Attributes:
name: person
name: tie
attrs: dotted
white
blue
polka dot
black
name: dots
attrs: white
name: laptop
name: information
name: parent b
name: phrase
name: man
attrs: brown haired
curly haired
name: blackboard
attrs: empty
name: shirt
attrs: long sleeve
long sleeved
white
name: parent a
name: screen
attrs: white
name: foreground
name: graph
name: paper
name: board
attrs: black
name: wall
attrs: green
name: guy
name: poster
name: chalkboard
attrs: black
name: speaker box
attrs: white
name: kid
name: ground
name: afro
attrs: jewish
name: spots
attrs: white
name: light
attrs: white
name: sleeve
name: hair
attrs: curly
brown
name: spreadsheet
name: right hand

Contrastive attributes:
attr1: black
attr2: white
nouns: tie