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

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

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