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

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

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