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

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

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