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

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

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