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

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

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