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

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

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