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

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

*GRAMMAR*
zup -> RED 
 dax -> BLUE 
 kiki -> GREEN 
 gazzer -> PINK 
 x1 tufa x2 -> [x1] [x1] [x2] [x2] 
 x1 lug -> [x1] [x1] [x1] 
 u1 fep x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 