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

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

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