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

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

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