People are on a tennis court
I hat on someone's head
Tennis balls inside of a basket
People are wearing baseball caps
The boys are preparing to hit tennis balls
The boys are enjoying a nice day
The boys are getting some exercise
The boys are all wearing short pants
The boys are all wearing tennis shoes
The boys are enjoying each other's company
three male tennis players
holder for extra tennis balls
yellow tennis ball in wire basket
yellow strings of tennis racket
white shirt with black text
three pairs of sneakers
black shorts with white stripe
utility pole beside tennis court
white socks of tennis players
sunlight spilling onto court
a black and white baseball cap
a small green tennis ball
a blue and white tennis racket
a man's white sock
a man's black shorts
a tall gray pole
a small bush
black sunglasses
green tree leaves
a man's tennis shoe
tennis balls in a basket
Nike logo on man's hat
group of men standing on tennis court
shoes of man on far right
shoes of man on left
white hat with black sunglasses on it
red sign in tennis ball basket
number ten on man's shirt
two tennis rackets being held by the men
tree next to tennis court
The boy is wearing a cap.
The boy is wearing a cap.
The sunglasses are on the cap.
Balls in a ballhopper.
The ballhopper is made by GAMMA.
The balls are yellow.
The balls are round.
The boy is wearing a shirt.
The boy is standing on a tennis court.
The boy is wearing shorts.

Objects:
balls
basket
person
person
person
cap
cap
cap
balls
boy
boy
boy
day
boys
boy
short pants
short pants
short pants
company
boy
three
player
player
player
holder
tennis ball
tennis ball
tennis ball
tennis ball
tennis ball
strings
racket
shirt
three
sneaker
sneaker
sneaker
sneaker
sneaker
sneaker
black shorts
white stripes
pole
tennis court
socks
players
shoe
group
court
shoes
man
hat
men
tennis rackets
ground
tree
cap
boy
ball
ball
ball
ball
ball
ballhopper
balls
boy
court

Attributes:
name: balls
attrs: yellow
name: basket
name: person
name: cap
name: boy
name: day
name: boys
name: short pants
name: company
name: three
name: player
name: holder
name: tennis ball
name: strings
attrs: yellow
name: racket
name: shirt
attrs: white
name: sneaker
name: black shorts
name: white stripes
name: pole
name: tennis court
name: socks
attrs: white
name: players
name: shoe
attrs: tennis
name: group
attrs: men
name: court
name: shoes
name: man
name: hat
attrs: white
name: men
name: tennis rackets
name: ground
name: tree
name: ball
name: ballhopper

Contrastive attributes: