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

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

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