Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) More than two and a half years after a New York City Police Department officer was killed while on duty, his widow gave birth to a girl, thanks to the preservation of his semen. Angelina was born Tuesday to Pei Xia "Sanny" Liu at Weill Cornell Hospital in New York City, the NYPD said in a blog post. Sanny's husband, Detective First Grade Wenjian Liu, was shot and killed on December 20, 2014. The night of the incident, Sanny requested that her husband's sperm be preserved. The slain officer's parents, Wei Tang Liu and Xiu Yan Liu, were there for the birth, according to the NYPD.Baby's mother used late husband's spermDetective Liu, the father, was killed while on duty for the NYPD 
 Question:"I told my friend, 'It's going to be a baby girl,'" the new mom told the _.

NYPD