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: Washington (CNN) President Barack Obama once again proved his eclectic taste in music, releasing two summer playlists while he vacations on Martha's Vineyard with the first family. A day later, on Friday, Vice President Joe Biden and his wife Jill released their playlist for their summer holidays. Obama's playlists -- one curated for daytime and one for nighttime -- and the Bidens' playlist, feature music from a wide range of singers and genres, and are available on the official White House Spotify account. For Obama's playlist, the music was "hand-selected" by the President, according to the White House, and includes classics from Aretha Franklin, Miles Davis and Prince, along with more recent artists Common, Jay Z and Wale.The songs were "hand selected" by the PresidentHe showed off his eclectic musical taste 
 Question:The _ announced their playlist in a tweet on Friday that said, "From Jill and me, here is the soundtrack to our summer days and nights, past and present."

Bidens