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

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

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