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

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

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