celebquery

$tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'birthday',
		'field'            => 'name',
		'operator'         => 'AND',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'profession',
		'field'            => 'name',
		'operator'         => 'AND',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'country',
		'field'            => 'name',
		'operator'         => 'AND',
		'include_children' => false,
	),
);