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

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

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