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

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

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