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

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

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