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

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

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