*SUPPORT*
IN: tufa kiki blicket tufa OUT: RED RED YELLOW
IN: zup gazzer kiki OUT: PINK YELLOW
IN: dax OUT: BLUE
IN: tufa tufa tufa lug dax OUT: BLUE BLUE RED RED RED RED RED RED
IN: zup gazzer dax lug zup blicket zup OUT: PINK PINK PINK PINK PINK BLUE PINK BLUE
IN: kiki gazzer kiki OUT: YELLOW YELLOW
IN: tufa OUT: RED
IN: dax gazzer kiki OUT: BLUE YELLOW
IN: zup gazzer zup OUT: PINK PINK
IN: kiki blicket kiki lug tufa gazzer tufa OUT: RED RED RED RED YELLOW YELLOW YELLOW YELLOW
IN: tufa gazzer dax OUT: RED BLUE
IN: dax gazzer tufa OUT: BLUE RED
IN: kiki gazzer zup lug zup blicket dax OUT: BLUE PINK BLUE PINK YELLOW PINK YELLOW PINK
IN: zup dax blicket dax OUT: PINK BLUE BLUE

*QUERY*
IN: dax blicket zup lug tufa blicket tufa OUT: RED RED RED RED PINK BLUE PINK BLUE
IN: kiki zup gazzer tufa OUT: YELLOW PINK RED
IN: zup blicket kiki lug tufa blicket kiki OUT: YELLOW RED YELLOW RED YELLOW PINK YELLOW PINK
IN: zup OUT: PINK
IN: tufa blicket tufa OUT: RED RED
IN: kiki gazzer zup OUT: YELLOW PINK
IN: kiki gazzer tufa lug tufa gazzer dax OUT: RED BLUE RED BLUE YELLOW RED YELLOW RED
IN: zup blicket dax OUT: BLUE PINK
IN: kiki kiki OUT: YELLOW YELLOW
IN: kiki OUT: YELLOW

*GRAMMAR*
zup -> PINK 
 tufa -> RED 
 kiki -> YELLOW 
 dax -> BLUE 
 u1 gazzer u2 -> [u1] [u2] 
 u1 blicket u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 