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

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

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