$P$ is the brother of $D$. $X$ is the sister of $P$. $A$ is the brother of $F$. $F$ is the daughter of $D$. $M$ is the father of $X$. Who is the uncle of $A$?

Study the following information carefully to answer these questions.
$(i)$ $P \times Q$ means $P$ is brother of $Q$.
$(ii)$ $P - Q$ means $P$ is sister of $Q$.
$(iii)$ $P + Q$ means $P$ is father of $Q$.
$(iv)$ $P \div Q$ means $P$ is mother of $Q$.
Which of the following represents $F$ is daughter of $W$?

$A$ boy goes to see a film and finds a man who is his relative. The man is the husband of the sister of his mother. How is the man related to the boy?

$M$ is $N$'s brother. $S$ is $D$'s mother and $M$'s aunt. How is $D$ related to $M$?

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 $F$. What is the profession of $B$?

$Q's$ mother is the sister of $P$ and the daughter of $M$. $S$ is the daughter of $P$ and the sister of $T$. How is $M$ related to $T$?