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

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

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