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

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

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