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

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

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