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

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

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