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

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

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