With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Richard III of England died in battle.
text_B: EBN may refer to  :. Emergency Broadcast Network , a `` video-remix '' group. Emergency Broadcast Network. Emergency Broadcast Network. EBN-OZN , a 1980s band. EBN-OZN. EBN-OZN. Evidence Based Nursing , a journal. Evidence Based Nursing. Evidence Based Nursing ( journal ). Evidence-Based Nursing , a field of nursing and medical practice. Evidence-Based Nursing. Evidence-Based Nursing. EBN , formerly Electronic Buyers News , a trade website. European Business News -LRB- The Cable and Satellite News Channel -RRB- , now CNBC Europe. European Business News. European Business News
not_related.