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

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

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