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

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

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