Information:  - Charles Bulfinch (August 8, 1763  April 15, 1844) was an early American architect, and has been regarded by many as the first native-born American to practice architecture as a profession.  - Tremont Street is a major thoroughfare in Boston, Massachusetts.  - Federal-style architecture is the name for the classicizing architecture built in the newly founded United States between c. 1780 and 1830, and particularly from 1785 to 1815. This style shares its name with its era, the Federal Period. The name Federal style is also used in association with furniture design in the United States of the same time period. The style broadly corresponds to the classicism of Biedermeier style in the German-speaking lands, Regency architecture in Britain and to the French Empire style.  - The Massachusetts General Court (formally styled the General Court of Massachusetts) is the state legislature of the Commonwealth of Massachusetts. The name "General Court" is a hold-over from the earliest days of the Massachusetts Bay Colony, when the colonial assembly, in addition to making laws, sat as a judicial court of appeals. Before the adoption of the state constitution in 1780, it was called the Great and General Court, but the official title was shortened by John Adams, author of the state constitution. It is a bicameral body. The upper house is the Massachusetts Senate which is composed of 40 members. The lower body, the Massachusetts House of Representatives, has 160 members. (Until 1978, it had 240 members) It meets in the Massachusetts State House on Beacon Hill in Boston.  - The Massachusetts State House, also known as the Massachusetts Statehouse or the New State House, is the state capitol and seat of government for the Commonwealth of Massachusetts, located in the Beacon Hill/Downtown neighborhood of Boston. The building houses the Massachusetts General Court (state legislature) and the offices of the Governor of Massachusetts. The building, designed by noted architect Charles Bulfinch, was completed in 1798, and has repeatedly been enlarged since. It is considered a masterpiece of Federal architecture and among Bulfinch's finest works, and was designated a National Historic Landmark for its architectural significance.  - Massachusetts ; officially the Commonwealth of Massachusetts, is the most populous state in the New England region of the northeastern United States. It is bordered by the Atlantic Ocean to the east, the states of Connecticut and Rhode Island to the south, New Hampshire and Vermont to the north, and New York to the west. The state is named for the Massachusett tribe, which once inhabited the area. The capital of Massachusetts and the most populous city in New England is Boston. Over 80% of Massachusetts' population lives in the Greater Boston metropolitan area, a region influential upon American history, academia, and industry. Originally dependent on agriculture, fishing and trade, Massachusetts was transformed into a manufacturing center during the Industrial Revolution. During the 20th century, Massachusetts' economy shifted from manufacturing to services. Modern Massachusetts is a global leader in biotechnology, engineering, higher education, finance, and maritime trade.  - Park Street is a small but historic road in the center of Boston , Massachusetts . It begins at the top of Beacon Hill , at the intersection of Beacon Street , where it is lined up with the front of the Massachusetts State House . It then spills down the hill toward Tremont Street , with Boston Common to its west .  - The Governor of the Commonwealth of Massachusetts is the head of the executive branch of Massachusetts' state government and serves as commander-in-chief of the state's military forces. The current governor is Charlie Baker.  - Beacon Street is a major thoroughfare in Boston, Massachusetts and several of its western suburbs. It goes through Boston, Brookline, Brighton, and Newton.  - Boston (pronounced ) is the capital and most populous city of the Commonwealth of Massachusetts in the United States. Boston is also the seat of Suffolk County, although the county government was disbanded on July 1, 1999. The city proper covers with an estimated population of 667,137 in 2015, making it the largest city in New England and the 23rd most populous city in the United States. The city is the economic and cultural anchor of a substantially larger metropolitan area known as Greater Boston, a Metropolitan Statistical Area (MSA) home to a census-estimated 4.7 million people in 2014 and ranking as the tenth-largest such area in the country. Alternately, as a Combined Statistical Area (CSA), this wider commuting region is home to some 8.1 million people, making it the sixth-largest as such in the United States.  - A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Of over 85,000 places listed on the country's National Register of Historic Places, only some 2,500 are recognized as National Historic Landmarks.    What entity does 'park street' has the relation 'instance of' with?
The answer to this question is:
thoroughfare