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

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

*GRAMMAR*
lug -> YELLOW 
 tufa -> BLUE 
 zup -> PINK 
 dax -> RED 
 u1 gazzer u2 -> [u1] [u2] 
 u1 fep u2 -> [u1] [u2] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 