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

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

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