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

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

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