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I would also like clarification on this. Take AGZ0002LFW: The most evident part is elliptical, but it also could be interpreted as a bar with very faint spiral arms coming off of it. Now, the question the classification routine asks is, is it smooth without any sign of a disk? Since that would seem to be the case, I've been classifying these as smooth/inbetween. But I'm not sure about it and it's bugging me.