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

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

*GRAMMAR*
lug -> GREEN 
 kiki -> PURPLE 
 wif -> BLUE 
 zup -> PINK 
 x1 gazzer x2 -> [x1] [x2] 
 x1 dax x2 -> [x2] [x1] 
 u1 fep x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 