With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bob Arum is only the founder of a professional soccer company.
text_B: Emerald Fracture Zone is an undersea fracture zone running the distance from the southwest corner of the Campbell Plateau to the northern tip of Iselin Bank .. Campbell Plateau. Campbell Plateau. Iselin Bank. Iselin Bank. The name was proposed by Dr. Steven C. Cande of the Scripps Institution of Oceanography for the vessel Emerald , which traversed this region in 1821 , and was approved by the Advisory Committee for Undersea Features in June 1997 .. Steven C. Cande. Steven C. Cande. Scripps Institution of Oceanography. Scripps Institution of Oceanography. Advisory Committee for Undersea Features. Advisory Committee for Undersea Features
not_related.