With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Laurence Olivier played a title role in The Entertainer film.
text_B: Blackwater Falls State Park is located in the Allegheny Mountains of Tucker County , West Virginia , USA .. Tucker. Tucker County, West Virginia. West Virginia. West Virginia. Allegheny Mountains. Allegheny Mountains. Tucker County. Tucker County, West Virginia. The centerpiece of the Park is Blackwater Falls , a 62 ft cascade where the Blackwater River leaves its leisurely course in Canaan Valley and enters rugged Blackwater Canyon .. Blackwater River. Blackwater River ( West Virginia ). Canaan Valley. Canaan Valley. Blackwater Canyon. Blackwater Canyon. It is among the most photographed venues in the state and appears on calendars , stationery , advertisements of all kinds and , most famously , on jigsaw puzzles .. The River is named for its tannins-darkened water .. tannins. tannins
not_related.