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

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

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