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

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

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