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

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

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