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

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

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