Premise: The Northeast megalopolis ( also Boston -- Washington Corridor or Bos-Wash Corridor ) is the most heavily urbanized region of the United States , running primarily northeast to southwest from the northern suburbs of Boston , Massachusetts , to the southern suburbs of Washington , D.C. , in Northern Virginia . It includes the major cities of Boston , Providence , Hartford , New York City , Philadelphia , Baltimore , and Washington , D.C. , along with their metropolitan areas and suburbs as well as many smaller urban centers .
Hypothesis: Northeast megalopolis includes Washington, D.C. and Baltimore.
Label: ENTAILMENT