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

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

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