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

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

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