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

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

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