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

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

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