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

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

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