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 . In the 2008 U.S. presidential election , Barack Obama chose Biden to be his running mate in the race , which they won . As Vice President in the Obama administration , Biden oversaw the infrastructure spending aimed at counteracting the Great Recession , and U.S. policy toward Iraq up until the withdrawal of U.S. troops in 2011 . The presidency of Barack Obama began at noon EST on January 20 , 2009 , when Barack Obama was inaugurated as President of the United States , and ended on January 20 , 2017 .
Hypothesis: Joe Biden became Barack Obama's Vice President in 2009.
Label: ENTAILMENT