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

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

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