Complex sentence: Pelham Bay Park, located in the northeast corner of the New York City borough of the Bronx and extending partially into Westchester County, is at the largest public park in New York City.
Split into simpler sentences: Pelham Bay Park is a public park located in the northeast corner of the New York City borough of the Bronx and extending partially into Westchester County. It is, at, the largest public park in New York City.