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

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

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