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

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

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