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

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

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