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

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

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