3. Y died intestate in 2023. She is survived only by her aunt Z (the sister of Y's predeceased father A). Z is of Y: (a) an ascendant in the second parentela; (b) a full-blood collateral in the third parentela; (c) a half-blood collateral in the second parentela; (d) a half-blood collateral in the third parentela; (e) a full-blood collateral in the second parentela