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

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

*GRAMMAR*
dax -> PINK 
 wif -> GREEN 
 kiki -> PURPLE 
 gazzer -> BLUE 
 u1 tufa u2 -> [u1] [u1] [u2] 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 