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

*QUERY*
IN: kiki gazzer kiki OUT: PURPLE PURPLE PURPLE
IN: lug dax fep OUT: RED GREEN
IN: fep lug dax fep OUT: RED RED GREEN
IN: kiki kiki zup lug OUT: PURPLE PURPLE GREEN
IN: lug OUT: GREEN
IN: kiki dax fep OUT: RED PURPLE
IN: fep zup kiki OUT: RED PURPLE
IN: fep gazzer kiki OUT: RED RED PURPLE
IN: kiki lug OUT: PURPLE GREEN
IN: fep dax kiki OUT: PURPLE RED

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