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 == Length; power and influence == 

 Rather than simply reverting this new, awkward wording (which, judging from its edit summary, was based on a careless reading of the previous wording), I decided to change the sentence to a third version, using elements from both previous versions. Here's the way it was originally and is again after a subsequent edit by Hamlet is Shakespeare's longest play and among the most powerful and influential tragedies in the English language.The sentence doesn't establish a correlation between the length of the play and its power and influence, so what we have here is two unconnected thoughts rolled into one sentence. I don't really mind that—it's a reasonable approach when trying to sum up many things without making the lede ridiculously long—but the construction is awkward: ""[It] is [a] play and among the most powerful . . ."" I changed it to this—Shakespeare's longest play, Hamlet is one of the most powerful and influential tragedies in the English language.—which at least sets the two ideas apart with punctuation. Dionysos, could you explain why you think the status quo is ""clearer""? Specifically, was your principal objection the replacement of ""among"" with ""one of"", and, if so, what about the following hybrid?Shakespeare's longest play, Hamlet is among the most powerful and influential tragedies in the English language.Just a thought. Not a Big Deal.   "