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

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

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