With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marble Hill is outside of the New York City borough of Manhattan.
text_B: Marble Hill is the northernmost neighborhood in the New York City borough of Manhattan .. City. City. Manhattan. Manhattan. New York City. New York City. borough. borough ( New York City ). It is the only Manhattan neighborhood on the mainland of North America .. Manhattan. Manhattan. North America. North America. Marble Hill was occupied as a Dutch colonial settlement in 1646 , and gained its current name in 1891 because of marble deposits underneath the neighborhood .. marble. Tuckahoe marble. Politically a part of Manhattan and New York County , Marble Hill became an island in the Harlem River when it was separated from the island of Manhattan by the construction of the Harlem Ship Canal in 1895 .. Manhattan. Manhattan. Harlem River. Harlem River. island of Manhattan. Manhattan island. Harlem Ship Canal. Harlem Ship Canal. In 1914 , the Harlem River was filled in on the north side of Marble Hill , connecting it to the North American mainland and the Bronx .. Harlem River. Harlem River. the Bronx. the Bronx. Because of this change in geography , Marble Hill is often associated with the Bronx and is part of two of the latter 's Community Board Districts .. the Bronx. the Bronx. Community Board Districts. Community boards of New York City
related.