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

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

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