M,N, O, P, E, F, G, H and I are members of a family. Either both or none of the parents of a person are alive. N is brother-in-law of M who is father of P. G is H's only daughter. His daughter-in law of O who is mother of E. E is not G's father. H doesn't have any sibling. E & P who is married, are not siblings. P is married to F. l is paternal grandfather of P.

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