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

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

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