*SUPPORT*
IN: dax fep tufa OUT: YELLOW GREEN
IN: zup tufa kiki lug OUT: RED YELLOW PURPLE YELLOW PURPLE YELLOW YELLOW
IN: tufa blicket dax OUT: YELLOW YELLOW GREEN GREEN YELLOW YELLOW
IN: dax OUT: GREEN
IN: dax blicket lug OUT: GREEN GREEN PURPLE PURPLE GREEN GREEN
IN: zup blicket tufa OUT: RED RED YELLOW YELLOW RED RED
IN: tufa fep zup OUT: RED YELLOW
IN: zup lug fep zup OUT: RED RED PURPLE
IN: zup blicket dax OUT: RED RED GREEN GREEN RED RED
IN: tufa lug fep dax OUT: YELLOW GREEN PURPLE
IN: lug dax OUT: PURPLE GREEN
IN: tufa OUT: YELLOW
IN: dax blicket dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug kiki tufa fep dax OUT: PURPLE GREEN YELLOW PURPLE GREEN YELLOW PURPLE PURPLE

*QUERY*
IN: lug tufa fep dax OUT: PURPLE GREEN YELLOW
IN: dax kiki lug fep dax OUT: GREEN GREEN PURPLE GREEN GREEN PURPLE GREEN GREEN
IN: zup OUT: RED
IN: lug OUT: PURPLE
IN: zup fep lug OUT: PURPLE RED
IN: lug lug fep zup OUT: PURPLE RED PURPLE
IN: zup tufa fep lug OUT: RED PURPLE YELLOW
IN: zup blicket lug OUT: RED RED PURPLE PURPLE RED RED
IN: tufa dax blicket lug OUT: YELLOW GREEN GREEN PURPLE PURPLE GREEN GREEN
IN: tufa fep dax OUT: GREEN YELLOW

*GRAMMAR*
lug -> PURPLE 
 tufa -> YELLOW 
 zup -> RED 
 dax -> GREEN 
 u1 fep u2 -> [u2] [u1] 
 u1 blicket u2 -> [u1] [u1] [u2] [u2] [u1] [u1] 
 u1 kiki x1 -> [u1] [x1] [u1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 