Filter Seats

$tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'which-kind-of-fixing-do-you',
		'terms'            => 'isofix',
		'field'            => 'slug',
		'operator'         => 'AND',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'which-child-group-are-you-bu',
		'terms'            => 'baby',
		'field'            => 'slug',
		'operator'         => 'AND',
		'include_children' => true,
	),
);