Problem: Background: Biden was born on November 20, 1942, at St. Mary's Hospital in Scranton, Pennsylvania, to Catherine Eugenia "Jean" Biden (nee Finnegan) and Joseph Robinette "Joe" Biden Sr. He was the first of four siblings in a Catholic family, with a sister, Valerie, and two brothers, James and Frank, following. His mother was of Irish descent, with roots variously attributed to County Louth or County Londonderry. His paternal grandparents, Mary Elizabeth (Robinette) and Joseph H. Biden, an oil businessman from Baltimore, Maryland, were of English, French, and Irish ancestry.
Context: During a tour of the U.S. Senate with reporters before leaving office, on December 5, 2016, Biden refused to rule out a potential bid for the Presidency in the 2020 presidential election, after leaving office as Vice President. If he were to run in 2020, Biden would be 77 years old on election day and 78 on inauguration day in 2021. He reasserted his ambivalence about running on an appearance of The Late Show with Stephen Colbert on December 7, in which he stated "never say never" about running for President in 2020, while also admitting he did not see a scenario in which he would run for office again. He seemingly announced on January 13, 2017, exactly one week prior to the expiration of his vice presidential term, that he would not run. However, four days later, on January 17, he seemed to backtrack, stating "I'll run if I can walk." A political action committee known as Time for Biden was formed in January 2018, seeking Biden's entry into the race.  In 2017, he was named the Benjamin Franklin Presidential Practice professor at the University of Pennsylvania, where he will focus on foreign policy, diplomacy, and national security while leading the Penn Biden Center for Diplomacy and Global Engagement. He will also pursue his "Cancer Moonshot" agenda. On March 12, 2017, Biden during a keynote speech at the annual SXSW festival stated, "The only bipartisan thing left in America is the fight against cancer."  On April 21, 2017, amidst speaking to a New York urban planning conference, Biden cited the "infinite wisdom" of Governor of New Jersey Chris Christie as the cause behind the termination of a rail tunnel project and called the Gateway Program "the most important infrastructure project in America."  During a Las Vegas, Nevada hedge fund conference interview on May 18, Biden said that he had never been confident in Clinton's candidacy: "I never thought she was a great candidate. I thought I was a great candidate."  Biden delivered a speech to the graduating class of Colby College on May 21, 2017, calling for a return to "unity and purpose", and three days later expressed confidence in contemporary students being able to handle "the challenges that lie ahead" at Harvard University during the college's Class Day ceremony.
Question: does he do any public speaking?
Answer: On April 21, 2017, amidst speaking to a New York urban planning conference, Biden cited the "infinite wisdom" of Governor of New Jersey Chris Christie

Problem: Background: Avenged Sevenfold (sometimes abbreviated as A7X) is an American heavy metal band from Huntington Beach, California, formed in 1999. The band's current lineup consists of lead vocalist M. Shadows, rhythm guitarist and backing vocalist Zacky Vengeance, lead guitarist and backing vocalist Synyster Gates, bassist and backing vocalist Johnny Christ, and drummer Brooks Wackerman. Avenged Sevenfold is known for its diverse rock sound and dramatic imagery in album covers and merchandise. Avenged Sevenfold emerged with a metalcore sound on the band's debut Sounding the Seventh Trumpet and continued this sound through their second album Waking the Fallen.
Context: The band's influences include Guns N' Roses, Iron Maiden, Megadeth, Pantera, Bad Religion, Dream Theater, Motorhead, Metallica, Black Sabbath, Led Zeppelin, The Rolling Stones, In Flames, At the Gates, Helloween, Queensryche, System of a Down, AC/DC, NOFX, Alice in Chains, Black Flag, Corrosion of Conformity, Suicidal Tendencies, Misfits, Slayer, The Vandals, Soundgarden, Rage Against the Machine, Korn, Slipknot, Deftones, Beastie Boys, Biohazard, Type O Negative, Anthrax and AFI.  The band has been categorized under many genres of heavy music. Mainly categorized as heavy metal, hard rock, progressive metal and metalcore, Avenged Sevenfold's music has evolved over most of the band's career. At first, the band's debut album Sounding the Seventh Trumpet consisted almost entirely of a metalcore sound; however, there were several deviations from this genre, most notably in "Streets", which shows a punk rock style, and "Warmness on the Soul", which is a piano ballad. On Waking the Fallen, the band displayed a metalcore style once more, but added more clean singing and leaned a bit more towards metal and bit less close to hardcore. In the band's DVD All Excess, producer Andrew Murdock explained this transition: "When I met the band after Sounding the Seventh Trumpet had come out before they had recorded Waking the Fallen, M. Shadows said to me 'This record is screaming. The record we want to make is going to be half-screaming half-singing. I don't want to scream anymore. And the record after that is going to be all singing'."  On City of Evil, Avenged Sevenfold's third album, the band chose to abandon the metalcore genre, using a more hard rock and heavy metal style. Avenged Sevenfold's self-titled album, however, has some experiments with other music genres than that from City of Evil, most notably in "Dear God", which shows a country style and "A Little Piece of Heaven", which is circled within the influence of Broadway show tunes, using primarily brass instruments and stringed orchestra to take over most of the role of the lead and rhythm guitar. Nightmare contains further deviations, including a piano ballad called "Fiction", progressive metal-oriented track "Save Me" and a heavy metal sound with extreme vocals and heavier instrumentation on "God Hates Us". The band's sixth studio album Hail to the King shows more of a classic metal sound and a riff-oriented approach. On their newest album The Stage, the band explores further into progressive metal, blending it with elements of thrash metal. In the past, Avenged Sevenfold has also been described as alternative metal, screamo, and pop punk metal.  The band has been criticized for "not being metal enough". Vocalist M. Shadows responded to this with, "we play music for the sake of music, not so that we can be labeled a metal band. That's like telling us we aren't punk enough. Who cares?" Avenged Sevenfold is one of the notable acts of the New Wave of American Heavy Metal.
Question: Did they have other bands that they styled their sound from?
Answer:
The band's influences include Guns N' Roses, Iron Maiden, Megadeth, Pantera, Bad Religion, Dream Theater,