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

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

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