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

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

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