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

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

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