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

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

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