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

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

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