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

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

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