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

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

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