“Toby Metcalf!” thundered Mrs Thomas. “Are you insulting my intelligence with this effort!?”

It had been a simple request. Mrs Thomas, covering Mr Ellison’s art class, had tasked the students to colour in a black and white drawing of a king standing outside his castle. Whilst the kids scribbled on their printed copies with coloured pencils, she had marched between desks, sniffing out any miss-behavers.

“I want normal colours,” she boomed, “no purple grass or orange skies, realism is your goal!”