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

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

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