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

*QUERY*
IN: fep dax OUT: YELLOW GREEN
IN: tufa lug OUT: BLUE BLUE
IN: dax tufa OUT: GREEN BLUE
IN: tufa kiki lug OUT: BLUE PINK PINK
IN: dax lug OUT: GREEN GREEN
IN: kiki OUT: PINK
IN: fep lug OUT: YELLOW YELLOW
IN: dax OUT: GREEN
IN: dax dax fep fep OUT: GREEN GREEN YELLOW YELLOW
IN: fep OUT: YELLOW

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