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

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

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