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

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

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