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

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

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