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

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

*GRAMMAR*
fep -> RED 
 dax -> BLUE 
 blicket -> YELLOW 
 kiki -> GREEN 
 x1 zup x2 -> [x2] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 