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

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

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