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

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

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