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

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

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