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

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

*GRAMMAR*
dax -> BLUE 
 kiki -> GREEN 
 lug -> PURPLE 
 zup -> RED 
 x1 blicket x2 -> [x1] [x2] 
 u1 fep u2 -> [u2] [u1] 
 x1 tufa u1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 