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

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

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