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

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

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