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

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

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