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

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

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