Coffee market operator
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'market', 'terms' => 'uk', 'field' => 'slug', ), array( 'taxonomy' => 'operator', 'terms' => 'coffee', 'field' => 'slug', ), );
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'market', 'terms' => 'uk', 'field' => 'slug', ), array( 'taxonomy' => 'operator', 'terms' => 'coffee', 'field' => 'slug', ), );