In a certain code, ‘A < B' means 'A is the daughter of B'; 'A > B’ means ‘A is the husband of B’; ‘A = B’ means ‘A is the brother of B’; ‘A ~ B’ means ‘A is the father of B’. If P = Q < R > S, how is P related to S?
Correct answer D. son
Explanation
Decoding gives P is the brother of Q, Q is the daughter of R, R is the husband of S. Treat each statement as a link in one family tree. Linking them, P is Q's brother, so P is R's son, so P is S's son.
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