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

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

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