[{"Bold_text": "noun", "List Items": ["Also called White?hall Pal?ace.a former palace in central London, England, originally built in the reign of Henry III: execution of Charles I, 1649.", "the main thoroughfare in London, England, between Trafalgar Square and the Houses of Parliament.", "the British government or its policies.", "a city in central Ohio, near Columbus.", "a city in W Pennsylvania, near Pittsburgh."]}]