Context: The City of New York has a complex park system, with various lands operated by the National Park Service, the New York State Office of Parks, Recreation and Historic Preservation, and the New York City Department of Parks and Recreation.

Question: What is the name of the New York City department that operates the park system?
Answer: New York City Department of Parks and Recreation

Question: What is the state office that operates New York City parks?
Answer: New York State Office of Parks, Recreation and Historic Preservation

Question: What federal service operates New York City parks?
Answer: National Park Service