How many?
three
What is this?
a bug
What is this?
a flower
What number is this?
four
What's missing?
three
What colour is this?
It's orange.
What is this?
a tree
What colour is this?
It's pink
What is this?
grass
What colour is this?
It's purple.
How many?
five
What is this?
the sun
What colour is this?
It's green.