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

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

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