*SUPPORT*
IN: fep gazzer kiki OUT: PURPLE BLUE PURPLE BLUE
IN: fep wif fep OUT: PURPLE PURPLE PURPLE
IN: fep gazzer dax OUT: PURPLE PINK PURPLE PINK
IN: fep OUT: PURPLE
IN: fep wif kiki wif fep OUT: PURPLE BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: zup OUT: YELLOW
IN: kiki lug OUT: BLUE BLUE
IN: zup fep lug OUT: YELLOW PURPLE YELLOW PURPLE
IN: kiki gazzer kiki OUT: BLUE BLUE BLUE BLUE
IN: dax lug OUT: PINK PINK
IN: dax gazzer kiki OUT: PINK BLUE PINK BLUE
IN: kiki gazzer fep OUT: BLUE PURPLE BLUE PURPLE
IN: dax zup OUT: PINK YELLOW
IN: fep fep wif fep OUT: PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: dax OUT: PINK
IN: zup zup fep gazzer fep OUT: YELLOW YELLOW PURPLE PURPLE PURPLE PURPLE
IN: dax gazzer kiki lug OUT: PINK BLUE PINK BLUE PINK BLUE PINK BLUE
IN: dax fep dax OUT: PINK PURPLE PINK
IN: fep lug lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep dax dax gazzer kiki OUT: PURPLE PINK PINK BLUE PINK BLUE
IN: kiki wif zup OUT: BLUE YELLOW YELLOW
IN: dax dax wif zup OUT: PINK PINK YELLOW YELLOW
IN: dax gazzer zup lug OUT: PINK YELLOW PINK YELLOW PINK YELLOW PINK YELLOW
IN: zup wif dax OUT: YELLOW PINK PINK

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