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

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

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