Y is the daughter of X’s brother’s wife’s father-in-law. Y is X’s –––––––

Given Statement:

• Y is the daughter of X’s brother’s wife’s father-in-law.
• We need to identify how Y is related to X.

Breaking it down:

1. X’s brother: X has a brother.
2. X’s brother’s wife: This is X’s sister-in-law.
3. X’s brother’s wife’s father-in-law: The father-in-law of X’s brother’s wife is X’s father.

Thus:

• Y is the daughter of X’s father, meaning Y is X’s sister.

Correct Answer: C. Sister

Solution: Y is X’s sister because the connection points to Y being the daughter of X’s father.