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

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

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