Premise: Joe Biden . A member of the Democratic Party , he represented Delaware as a United States Senator from 1973 until becoming Vice President in 2009 . He was first elected to the Senate in 1972 , and became the sixth-youngest senator in U.S. history . He was re-elected to the Senate six times , and was the fourth most senior senator at the time of his resignation to assume the Vice Presidency in 2009 . He has also served as chairman of the Senate Judiciary Committee , dealing with issues related to drug policy , crime prevention , and civil liberties , and led the legislative efforts for creation of the Violent Crime Control and Law Enforcement Act , and the Violence Against Women Act .
Hypothesis: Joe Biden was elected to the Senate.
Label: ENTAILMENT