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

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

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