If A is the sister of B, B is the sister of C, and C is the mother of D, then what relation is D to A?
If A is the sister of B, B is the sister of C, and C is the mother of D, then D is the niece (or nephew) of A.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

If A is the sister of B, B is the sister of C, and C is the mother of D, then what relation is D to A?

### Response:

If A is the sister of B, B is the sister of C, and C is the mother of D, then D is the niece (or nephew) of A.
