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

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

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