With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: William Shatner appeared in a NBC series.
text_B: The National Episcopal Historians and Archivists -LRB- NEHA -RRB- is an organization that encourages every congregation , diocese , and organization in the Episcopal Church in the United States of America to collect , preserve and organize its records and share its history .. Episcopal Church in the United States of America. Episcopal Church in the United States of America
not_related.