Add two objects differently in OR, and see there must be some property value which differs to make them recognizable independently. Either that property is "index" or something else. U have to find that out. Or u upload the screen shot of two different screen shots for two different objects.
Use ".highlight" property to check whether both Objects are indication or highlighting the same object or not.
Use ".highlight" property to check whether both Objects are indication or highlighting the same object or not.