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

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

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