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

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

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