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

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

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