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

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

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