*SUPPORT*
IN: dax fep OUT: BLUE BLUE
IN: lug tufa fep OUT: RED GREEN GREEN
IN: lug OUT: RED
IN: tufa kiki dax gazzer dax OUT: GREEN GREEN GREEN BLUE BLUE
IN: dax tufa tufa OUT: BLUE GREEN GREEN
IN: lug fep OUT: RED RED
IN: tufa blicket fep gazzer tufa kiki dax OUT: GREEN YELLOW YELLOW GREEN GREEN GREEN BLUE
IN: dax OUT: BLUE
IN: lug blicket fep OUT: RED YELLOW YELLOW
IN: blicket fep OUT: YELLOW YELLOW
IN: blicket OUT: YELLOW
IN: blicket lug dax OUT: YELLOW RED BLUE
IN: tufa fep OUT: GREEN GREEN
IN: tufa lug OUT: GREEN RED

*QUERY*
IN: blicket dax OUT: YELLOW BLUE
IN: tufa tufa fep OUT: GREEN GREEN GREEN
IN: tufa OUT: GREEN
IN: dax kiki tufa OUT: BLUE BLUE BLUE GREEN
IN: tufa fep kiki dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN BLUE
IN: lug fep gazzer tufa fep OUT: RED RED GREEN GREEN
IN: dax dax fep OUT: BLUE BLUE BLUE
IN: tufa blicket tufa gazzer blicket fep OUT: GREEN YELLOW GREEN YELLOW YELLOW
IN: dax tufa OUT: BLUE GREEN
IN: tufa kiki blicket OUT: GREEN GREEN GREEN YELLOW

*GRAMMAR*
blicket -> YELLOW 
 lug -> RED 
 tufa -> GREEN 
 dax -> BLUE 
 u1 fep -> [u1] [u1] 
 x1 gazzer x2 -> [x1] [x2] 
 x1 kiki u1 -> [x1] [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 