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

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

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