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

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

*GRAMMAR*
wif -> PURPLE 
 dax -> BLUE 
 zup -> RED 
 lug -> YELLOW 
 u1 blicket u2 -> [u2] [u1] 
 x1 tufa x2 -> [x1] [x2] 
 x1 gazzer -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 