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

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

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