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

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

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