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

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

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