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

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

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