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

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

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