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

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

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