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

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

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