Task: Explanation
Input (English): Sonya Yoncheva (Bulgarian: Соня Йончева, born 25 December 1981) is a Bulgarian operatic soprano. Question: Operalia, The World Opera Competition, helped launch the career of Bulgarian operatic soprano who was born on what day? Answer: born 25 December 1981
Output (English): Sonya Yoncheva Bulgarian: Соня Йончева, born 25 December 1981 is a Bulgarian operatic soprano.