*SUPPORT*
IN: lug lug dax kiki gazzer wif OUT: BLUE RED PURPLE RED
IN: kiki kiki dax kiki OUT: PURPLE PURPLE PURPLE
IN: kiki wif dax kiki fep OUT: PURPLE PURPLE BLUE PURPLE PURPLE BLUE
IN: lug OUT: RED
IN: kiki lug dax tufa OUT: PURPLE GREEN RED
IN: lug dax wif OUT: BLUE RED
IN: tufa OUT: GREEN
IN: tufa dax kiki OUT: PURPLE GREEN
IN: lug dax tufa gazzer kiki OUT: PURPLE GREEN RED
IN: kiki gazzer kiki OUT: PURPLE PURPLE
IN: wif kiki wif dax lug OUT: BLUE PURPLE RED BLUE
IN: lug kiki gazzer wif OUT: BLUE RED PURPLE
IN: wif kiki dax kiki fep OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: lug dax kiki OUT: PURPLE RED

*QUERY*
IN: wif dax kiki OUT: PURPLE BLUE
IN: kiki gazzer lug OUT: RED PURPLE
IN: tufa dax lug OUT: RED GREEN
IN: wif wif gazzer lug fep OUT: RED BLUE BLUE RED BLUE BLUE
IN: kiki dax tufa OUT: GREEN PURPLE
IN: tufa wif dax tufa gazzer lug OUT: RED GREEN GREEN BLUE
IN: wif dax tufa OUT: GREEN BLUE
IN: kiki gazzer wif OUT: BLUE PURPLE
IN: kiki dax wif fep OUT: BLUE PURPLE BLUE PURPLE
IN: tufa gazzer lug OUT: RED GREEN

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