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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> GREEN 
 blicket -> PURPLE 
 dax -> RED 
 x1 gazzer -> [x1] [x1] 
 x1 kiki -> [x1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 