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

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

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