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

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

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