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

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

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