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

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

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