this is a car
this is a signboard
this is a writing
the writing is in black
this is a pole
this is a fence
this is a building
this is a tree
this is a fence
this is a sign post
this is a building
this is a building
this is a post
this is a car
this is a car
The sign is black and white.
The sign is rectangular.
The letter is black.
The letter is black.
The letter is black.
The letter is black.
The letter is black.
The letter is black.
The letter is black.
The letter is black.

Objects:
black writing
black/white sign
rectangular sign
letter
letter
letter
letter
letter
letter
letter
letter

Attributes:
name: black writing
name: black/white sign
name: rectangular sign
name: letter
attrs: black

Contrastive attributes: