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

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

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