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

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

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