With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The National Security Agency, also called the NSA, is responsible for signals intelligence.
text_B: Silver Sands State Park is a public recreation area located on Long Island Sound in the city of Milford , Connecticut .. Milford. Milford, Connecticut. Long Island Sound. Long Island Sound. Connecticut. Connecticut. The state park consists of 297 acre of beach , dunes , restored salt marsh , open areas and woods .. state park. state park. It lies adjacent to the city-owned park , Walnut Beach , and includes the 14 acre bird sanctuary of Charles Island .. bird sanctuary. bird sanctuary. Charles Island. Charles Island. The park offers swimming , picnicking , trails , boardwalk , and opportunities for bird-watching .. boardwalk. boardwalk. bird-watching. bird-watching
not_related.