Pointing toward a man, a man said " His mother is the only daughter of my mother ". How is the woman related to the man ?

Pointing toward a man, a man said " His mother is the only daughter of my mother ". How is the woman related to the man ?

Explanation

 Man's mother is the only daughter of a woman's mother. This means she is talking about herself.

Thus, women is the mother of the man. Hence, Mother is correct.

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