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

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

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