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

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

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