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

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

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