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

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

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