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

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

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