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

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

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