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

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

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