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

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

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