The whole issue is extraordinarily complicated (though not quite as impossible as the Died for Love group of songs) and pretty much incapable of satisfactory resolution. It's safest to say no more than that the songs belong to a loose, and very large, "family" (or group of families) with shared or overlapping characteristics, without necessarily being directly related to one another. Correspondences can be useful but it's unwise to attach too much weight to them on their own; you'll have noticed, for instance, comments made here in the past by people who seemed to be under the impression that all songs beginning "As I walked out" were related!

The subject has been covered quite extensively in older threads. We'd best try to keep to the one song here, I think, if we're not to make things too confusing. My own post was rather long, I fear; but intended to narrow the discussion down rather than expand on it.