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

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

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