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

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

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