With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Richmond, Virginia is in Virginia.
text_B: `` Resonance '' is the second episode of the first season of the Syfy television series Warehouse 13 .. Warehouse 13. Warehouse 13. Syfy. Syfy. It first aired July 14 , 2009 , and was written by David Simkins and directed by Vincent Misiano .. Vincent Misiano. Vincent Misiano
not_related.