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

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

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