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

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

*GRAMMAR*
blicket -> RED 
 gazzer -> GREEN 
 fep -> BLUE 
 dax -> PURPLE 
 u1 lug u2 -> [u2] [u1] [u1] 
 x1 wif x2 -> [x1] [x2] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 