Pointng out to a lady, a girl said, "She is the daughter-in-law of the grandmother of my father's only son."
How is the lady related to  the girl ?

B. MOTHER

Pointing to an old man, Kailash said, "His son is my son`s uncle". How is the old man related to Kailash ?

C. FATHER

Pointing to a lady, a man said, "The son of her only brother is the brother of my wife."
How is the lady related to the man ?

D. SISTER OF FATHER-IN-LAW

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

A. MOTHER

Pointing to a girl in the photograph, Amar said, "Her mother`s brother is the only son of my mother's father." How is the girl`s mother related to Amar ?

C. AUNT