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

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

*GRAMMAR*
dax -> PURPLE 
 gazzer -> BLUE 
 lug -> YELLOW 
 kiki -> GREEN 
 x1 fep x2 -> [x1] [x1] [x1] [x2] [x2] [x2] 
 x1 zup u1 -> [x1] [x1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 