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

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

*GRAMMAR*
zup -> GREEN 
 kiki -> YELLOW 
 dax -> PURPLE 
 fep -> RED 
 u1 lug u2 -> [u1] [u2] [u2] 
 x1 wif -> [x1] [x1] [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 