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

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

*GRAMMAR*
kiki -> BLUE 
 dax -> PURPLE 
 tufa -> GREEN 
 zup -> RED 
 x1 fep x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 