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

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

*GRAMMAR*
tufa -> YELLOW 
 lug -> BLUE 
 fep -> PURPLE 
 dax -> PINK 
 x1 wif x2 -> [x1] [x2] 
 u1 kiki x1 -> [x1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 