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In a certain code language, 'A + B' means 'A is the sister of B', 'A - B' means 'A is the husband of B', 'A x B' means 'A is the mother of B', and 'A ├╖ B' means 'A is the son of B'. How is M related to P if 'K ├╖ L - M + N x O + P'?
Sister
Mother
Daughter
Mother's sister
Mother's sister
Break down the expression symbol by symbol: A + B (Sister), A - B (Husband), A x B (Mother), A ├╖ B (Son). Work backwards or build the tree step-by-step from left to right.
Break down the expression symbol by symbol: A + B (Sister), A - B (Husband), A x B (Mother), A ├╖ B (Son). Work backwards or build the tree step-by-step from left to right.
Break down the expression
The expression K ├╖ L - M + N x O + P is analyzed as: (K son of L), (L husband of M), (M sister of N), (N mother of O), (O sister of P).
Establish the relationships
K is the son of L and M. Since L is the husband of M, L is the father and M is the mother of K. N is M's sister. O is N's child and P is O's sister, so O and P are children of N.
Identify relation M to P
M is the sister of N (P's mother). The sister of one's mother is the Maternal Aunt.
A: Daughter is incorrect; M is in the same generation as N. B: Sister is incorrect; M is the mother's sister, not P's sister. C: Mother is incorrect; N is the mother of P.
D is correct because M is the sister of N (who is the mother of O and P), making M the maternal aunt of P.
In blood relation questions with long expressions, always define the gender of the subject using (+) for male and (-) for female to avoid confusion.
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