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

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

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