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

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

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