spun's Journal: Why are fire engines red?

Roses are red, too.
Two times six is twelve.
There are twelve inches in a ruler.
Queen Mary was a ruler.
Queen Mary was a ship.
Ships sail in the sea.
Fish swim in the sea.
Fish have fins.
The Finns fought the Russians.
Russians are Reds.
Fire engines are always rushin'

therefore, fire engines are red.