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

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

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