pos meta

$meta_query = array(
	array(
		'key'     => 'activities',
		'value'   => 'activities',
		'type'    => 'CHAR',
	),
	array(
		'key'     => 'you_prepare',
		'value'   => 'prepare',
	),
	array(
		'key'     => 'we_prepare',
		'value'   => 'prepare',
	),
);