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

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

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