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

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

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