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

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

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