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

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

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