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

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

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