With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marshall McLuhan is controversial among English teachers.
text_B: The British Interlingua Society -LRB- BIS ; in Interlingua , Societate Britannic pro Interlingua -RRB- , established in 1956 , works in Great Britain and the English-speaking world to promote the knowledge and active use of Interlingua , the international language .. Interlingua. Interlingua. Great Britain. Great Britain. English. English language. Among the publications of the BIS is the transatlantic magazine `` Lingua e Vita '' , with articles in English and Interlingua .. Interlingua. Interlingua. English. English language. Lingua e Vita. Lingua e Vita. It has appeared since 1965 , and previously as the `` Littera Circular '' or Circular Letter .. Circular Letter. Circular Letter ( Interlingua ). A second BIS publication is `` Contacto '' .. Contacto. Contacto. Founded in 1994 , this magazine provides articles and regular features about Interlingua and the organization .. Interlingua. Interlingua. Contacto is written in English and in parallel Interlingua-English texts .. Interlingua. Interlingua. English. English language. Contacto. Contacto
not_related.