If X is the daughter of Y and Y is the brother of Z, how is X related to Z?

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Accepted Answer

1. $X$ is the daughter of $Y$.  
2. $Y$ is the brother of $Z$, so $Y$ and $Z$ are siblings.  
3. The child of a sibling is a niece (if the child is female).  
4. So $X$ is the niece of $Z$.  
FINAL_ANSWER: a

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