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

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

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