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

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

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