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

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

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