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

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

*GRAMMAR*
kiki -> GREEN 
 wif -> PURPLE 
 fep -> BLUE 
 gazzer -> YELLOW 
 u1 dax u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 