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

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

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