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

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

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