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

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

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