Explanation:

Let’s break it down, step by step:

- Three generations, three married couples, equal males and females.

- S is mother of P. S has only two kids (so P and one more).

- P is mother of T and has only one son (so P has one son and, probably, T is the son or daughter).

- P and Y are married.

- R is daughter-in-law of V; R is also Q’s mother; Q is W’s sister.

- W is granddaughter of S, so S’s child must have W as a daughter.

- Both S and X have two children each.

- Y is son-in-law of V (so Y married V's daughter).

- Y is only child of his parents.

- There are two brothers and two sisters in the family.

- W is Q’s sister and both are R’s kids, so R is also Y's wife or P is. But P is married to Y. P is also T’s mother.

- If P and Y are married and Y is V’s son-in-law, P is V’s daughter.

- If R is daughter-in-law of V, she is V’s son’s wife, but Y is only child. So that means V must have another child married to R – conflict?

- But wait, P is mother of T, and Y’s wife.

- S is P’s mother, X is also a parent with two children.

So, if Z is the only one left in the generation, and Y is an only child, and the family ties only fit if Z is the brother of Y’s father (so P’s husband’s brother).

Options run-down:

- Paternal Grandfather? That would be Y’s father—not Z.

- Maternal Grandfather? That would be P’s father.

- Paternal Uncle? If Z is Y’s brother, then Z is P’s husband’s brother, i.e., P’s brother-in-law

- Maternal Uncle? P’s brother.

Here’s the thing: with 'P is mother of T', married to Y, and Y being only child, the only place for Z is as Y’s dad—P’s father-in-law. But not uncle.

So, none of these is correct. The right answer is:

Option 5: None of these