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

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

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