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

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

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