Question: Teaser & first one to correct & puctuate - 10 pts.? peter had had had had had whilst john had had had had had had had gained the examiners approval whilst had had not

Answer: Peter had had "had-had had", whilst John had had "Had-Had had".\n"Had-Had" gained the examiners approval whilst "had-had" did not.\n\n(sorry for adding the extra word, but I couldn't make sense of it otherwise. Am I on the right track?)
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