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

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

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