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

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

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