$our_hash = {
	'Cows' => {
		'Brown' => undef,
		'Green' => undef,
		'Strawberry' => {
			'Spotted' => undef,
			'Solid' => undef
		},
		'Orange' => undef
	},
	'Dogs' => {
		'Purple' => {
			'Spotted' => undef,
			'Solid' => undef
		}
	}
};