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

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

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