predict either a class or the nothing class in in this case you could predict anywhere from zero to five objects in the scene right okay and then the second thing is from your from your database you get out an image with its bounding box annotations right that are made by human laborers let's say these two and you also do class bounding box class bounding box but now you see we only have two two instances so here we just pad with the nothing class so I don't know what the bounding box should be for the nothing class it doesn't really