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

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

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