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

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

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