Pointing 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?

Deepak said to Nitin,"That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak?

Pointing to a lady on the platform,Anju said,'She is the sister of the father of my mother's son'. Who is the lady to Anju?

There is a family of six persons $A, B, C, D, E,$ and $F$. They are lawyer,doctor,teacher,salesman,engineer,and accountant. There are two married couples in the family. $D$,the salesman,is married to the lady teacher. The doctor is married to the lawyer. $F$,the accountant,is the son of $B$ and brother of $E$. $C$,the lawyer,is the daughter-in-law of $A$. $E$ is the unmarried engineer. $A$ is the grandmother of $F$. Which of the following is one of the couples?

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

Pointing to a person,a man said to a woman,'His mother is the only daughter of your father'. How was the woman related to the person?