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

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

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