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

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

*GRAMMAR*
zup -> YELLOW 
 kiki -> PURPLE 
 gazzer -> BLUE 
 fep -> PINK 
 x1 wif x2 -> [x2] [x1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 