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

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

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