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

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

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