Sign on the road.
Red sign on the pole.
Black words on the red sign.
People on their bikes.
Wheel on the bike.
Grass and gravel on the path.
Helmet on the biker.
Bridge under a road.
Plant in the foreground.
Cement blocks on the path.
Riverwalk sign is red
the signs pole is metal
The boulders are cement
The persons helmet is silver
The persons jacket is yellow
This is gravel with grass mixed in
Trees in background have green leaves
water is calm in background
the person has a gray shirt
the bicycle is blue in color
a red and black sign
a man holding a bike
a thin metal post
a stone barrier
black spray paint on concrete
a man holding a bike
people under an underpass
a thick concrete post
a thick concrete post
a thick concrete post
red sign on pole
spray paint on cement
four columns of underpass
people walking with bikes
blue body of bike
yellow jacket on woman
white helmet on head
black and orange back pack
back wheel of bike
black shorts on legs
A red "Riverwalk Ends" sign
Two cement barriers leading to the bike trail
A group of bicyclists walking their bikes
An orange backpack
A blue bicycle
A man in a green jacket walking his bike
A man in a gray shirt walking his blue bike
Pillars supporting a bridge
A man wearing a red bike helment
Grafiti found on the cement barrier

Objects:
sign
road
pole
words
people
bikes
wheel
bike
grass
gravel
helmet
biker
bridge
road
plant
foreground
blocks
cement
metal
boulders
jacket
trees
leaves
water
shirt
bicycle
man
bike
post
paint
overpass
post
post
post
columns
helmet
backpack
shorts
shorts
bike
jacket
helmet
graffiti

Attributes:
name: sign
attrs: red
black
metal
name: road
name: pole
name: words
attrs: black
name: people
name: bikes
name: wheel
name: bike
attrs: blue
name: grass
name: gravel
name: helmet
attrs: red
white
silver
name: biker
name: bridge
name: plant
name: foreground
name: blocks
attrs: cement
name: cement
name: metal
name: boulders
name: jacket
attrs: yellow
green
name: trees
name: leaves
name: water
attrs: calm
name: shirt
attrs: gray
name: bicycle
attrs: blue
name: man
name: post
attrs: thick
metal
concrete
thin
name: paint
attrs: black
name: overpass
name: columns
name: backpack
attrs: orange
black
name: shorts
attrs: black
name: graffiti

Contrastive attributes:
attr1: thick
attr2: thin
nouns: post