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

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

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