With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Helios is the brother of only Eos.
text_B: The Kleiner Deister is a ridge of hills -LRB- up to -RRB- in the Calenberg Uplands which , together with the Nesselberg and the Osterwald , forms a group of three adjacent hill ranges in the northern part of the Leine Uplands .. Calenberg Uplands. Calenberg Uplands. Nesselberg. Nesselberg. Osterwald. Osterwald. Leine Uplands. Leine Uplands. It lies between Springe and Eldagsen in Hanover region in Lower Saxony , Germany .. Springe. Springe. Eldagsen. Eldagsen ( Springe ). Hanover region. Hanover region. Lower Saxony. Lower Saxony. Germany. Germany
not_related.