With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Boston is known as an international center for post-secondary education.
text_B: Weider History Group is a magazine publishing company headquartered in Leesburg , Virginia .. It was founded in 2006 by Eric Weider , the son of fitness entrepreneur Ben Weider -LRB- and nephew of Joe Weider -RRB- and current President of Schiff Nutrition International .. Ben Weider. Ben Weider. Joe Weider. Joe Weider. Schiff Nutrition International. Schiff Nutrition International. The Weider History Group publishes 11 titles reaching 600,000 readers .. It operates HistoryNet.com , a website that contains daily features , photo galleries , and articles published in various magazines .
not_related.