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

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

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