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

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

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