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

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

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