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

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

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