*SUPPORT*
IN: zup kiki blicket gazzer OUT: PURPLE BLUE PINK BLUE
IN: kiki blicket dax OUT: YELLOW PINK YELLOW
IN: dax fep OUT: YELLOW YELLOW
IN: gazzer blicket kiki OUT: PINK BLUE PINK
IN: kiki zup kiki dax blicket zup OUT: PINK PURPLE PINK PURPLE YELLOW PURPLE
IN: dax gazzer gazzer blicket zup OUT: YELLOW BLUE PURPLE BLUE PURPLE
IN: gazzer dax blicket dax OUT: BLUE YELLOW YELLOW YELLOW
IN: gazzer OUT: BLUE
IN: dax OUT: YELLOW
IN: kiki kiki OUT: PINK PINK
IN: zup blicket gazzer OUT: BLUE PURPLE BLUE
IN: kiki OUT: PINK
IN: kiki blicket gazzer OUT: BLUE PINK BLUE
IN: zup fep OUT: PURPLE PURPLE

*QUERY*
IN: kiki blicket zup OUT: PURPLE PINK PURPLE
IN: zup blicket kiki OUT: PINK PURPLE PINK
IN: gazzer dax fep OUT: BLUE YELLOW YELLOW
IN: zup OUT: PURPLE
IN: zup blicket dax OUT: YELLOW PURPLE YELLOW
IN: kiki dax OUT: PINK YELLOW
IN: dax blicket dax OUT: YELLOW YELLOW YELLOW
IN: gazzer fep OUT: BLUE BLUE
IN: kiki blicket kiki OUT: PINK PINK PINK
IN: kiki fep OUT: PINK PINK

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