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

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

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