A metal clock
A small red circle
The silver metal has many holes
A black pack with wires
A yellow strip of metal
Lettering on the clock
A black tablecloth
A gray chair
A laminated pink sign
Two people in the background
a machine made of metal
a synchronous clock made of metal
a clock made of metal
a metal clock on table
a clock with  no numbers
a clock with silver arms
a clock on a table
a clock on a black table
tables with black table cloth
a tall metal clock
a clock made out of metal
the word meccano in red
a description of the item
a black battery
a black table cloth
the word clock in orange
two white skinny wires
an orange thick wire
a grey chair
a man and a woman
There are people in the doorway.
the says "synchronous clock".
This is a clock.
the clock is made of metal.
the clock is red and blue.
The bottom of the clock is yellow and silver.
The chair is gray.
The sign is orange.
This could be at a science fair.
This says "meccano".
small battery generator
orange and black sign
large mechanism with multiple hinges
a red clock with blue frame
light brown colored wall
two gray desk chairs
yellow and blue fire truck
black table cloth
a stack of pamphlets
the "meccano" sign on structure

Objects:
machine
frame
holes
metal
pack
wires
metal
meccano
tablecloth
chair
sign
background
people
table
arms
cloth
red
orange
word
wire
woman
doorway
clock
says
bottom
hinges
frame
wall
chairs
two
truck
blue
pamphlets
stack
structure

Attributes:
name: machine
attrs: red
synchronous
metal
tall
name: frame
attrs: red
blue
name: holes
name: metal
attrs: yellow
silver
name: pack
attrs: small
black
name: wires
attrs: white
shinny
name: meccano
name: tablecloth
attrs: black
name: chair
attrs: grey
gray
name: sign
attrs: orange
pink
laminated
meccano
black
name: background
name: people
name: table
attrs: black
name: arms
attrs: silver
name: cloth
attrs: black
name: red
name: orange
name: word
name: wire
attrs: thick
name: woman
name: doorway
name: clock
attrs: blue
name: says
name: bottom
attrs: yellow
silver
name: hinges
name: wall
attrs: brown
name: chairs
attrs: desk
gray
name: two
name: truck
name: blue
name: pamphlets
name: stack
name: structure

Contrastive attributes:
attr1: blue
attr2: red
nouns: frame