Anil introduces Rohit as the son of the only brother of his father's wife. How is Rohit related to Anil?

There are six persons $A, B, C, D, E$ and $F$. $C$ is the sister of $F$. $B$ is the brother of $E$'s husband. $D$ is the father of $A$ and grandfather of $F$. There are two fathers,three brothers,and a mother in the group. Who is $E$'s husband?

Pointing to a photograph,a lady tells Pramod,"$I$ am the only daughter of this lady and her son is your maternal uncle." How is the speaker related to Pramod's father?

Daya has a brother,Anil. Daya is the son of Chandra. Bimal is Chandra's father. In terms of relationship,what is Anil to Bimal?

Introducing Rajesh,Neha said,"His brother's father is the only son of my grandfather." How is Neha related to Rajesh?

$A + B$ means $A$ is the daughter of $B$; $A \times B$ means $A$ is the son of $B$; and $A - B$ means $A$ is the wife of $B$.
If $P \times Q - S$,which of the following is true?