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

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

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