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

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

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