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Let's break down the statement: • "I have no brother or sister." This means the speaker is an only child. • "My father's son" refers to the speaker himself (since he has no siblings). • So, the statement becomes: "That man's father is me (the speaker)." • If the man's father is the speaker, then the man in the photograph is the speaker's son.

Let's establish the family tree: • P is the brother of Q. • R is the father of P. (This means R is also the father of Q). • T is the daughter of Q. • S is the brother of T. (This means S and T are siblings, and Q is their parent). Now, we need to find S's uncle. • S and T are children of Q. • P is the brother of Q. • Therefore, P is the uncle of S (and T).

Let's trace the relationships: • A is the son of B. (B is A's parent) • C is the daughter of A. (A is C's father) • D is the mother of C. (Since A is C's father, D must be A's wife) • E is the brother of D. Now, we need to find the relation between B and E. • E is D's brother. • D is A's wife. • A is B's son. So, B is A's parent. E is A's wife's brother. We don't know the gender of B. If B is male, B is E's father-in-law. If B is female, B is E's mother-in-law. Since B's gender is not specified, the relationship cannot be determined definitively.

Let's decode the relationship step-by-step: • "My uncle" refers to the girl's uncle. • "Father of my uncle" means the girl's grandfather (father's father or mother's father). • "Daughter of the father of my uncle" means the girl's father's sister (aunt) or mother. • If it's the girl's mother, then the boy is the son of her mother, making him her brother. • If it's the girl's father's sister (aunt), then the boy is her cousin. • However, the phrase "the daughter" implies a specific person. If the girl's uncle's father has only one daughter, and that daughter is not the girl's mother, then the boy would be her cousin. But typically in these problems, the most direct relation is implied unless specified. If the 'daughter of the father of my uncle' is the girl's mother, then the boy is her brother. • Let's assume the most common interpretation: "Father of my uncle" is the girl's paternal grandfather. His daughter would be the girl's father's sister (paternal aunt) OR the girl's mother. If it's the girl's mother, then the boy is her brother. • If we consider 'uncle' to be the brother of the girl's father, then 'father of my uncle' is the girl's paternal grandfather. The 'daughter of the paternal grandfather' could be the girl's father's sister (her aunt) or the girl's father's mother (her grandmother). This interpretation leads to ambiguity. • Let's re-evaluate: "Father of my uncle" implies the grandfather. "Daughter of the grandfather" could be the girl's mother or her aunt. If it's the mother, then the boy is her brother. If it's the aunt, then the boy is her cousin. • Usually, in such problems, the simplest and closest relationship is implied. The most direct interpretation leading to a clear answer is when "the daughter of the father of my uncle" is the girl's mother. In that case, the boy is the son of her mother, making him her brother.

Let's break down the statement: • "My mother" refers to the woman's mother. • "The only daughter of my mother" means the woman herself (since she is the only daughter). • So, the statement becomes: "His mother is me (the woman)." • Therefore, the woman is the man's mother.

Option A is the correct answer according to official curriculum guidelines.

Option B is the correct answer according to official curriculum guidelines.

Option A is the correct answer according to official curriculum guidelines.

Option C is the correct answer according to official curriculum guidelines.

Option C is the correct answer according to official curriculum guidelines.