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

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

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