Question
D is wife of P, who is father of B. B is grandson of E,
who is neither mother nor father of D. C is mother of S, who is brother of P. How is S related to E?Solution
P is father of B. D is wife of P, so D is mother of B. B is grandson of E. So, E is the parent of either P or D. E is neither mother nor father of D. Therefore, E must be the parent of P. C is mother of S. S is brother of P. Therefore, S and P are siblings. Since E is the parent of P, and S is P's brother, E is also the parent of S. Therefore, S is the son of E.
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