With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Maria Sharapova was suspended from tennis player for two years.
text_B: Eisenbach is a river of Hesse , Germany .. Germany. Germany. Hesse. Hesse. It merges with the Emsbach River near Neiderselters in Selters -LRB- Taunus -RRB- .. Emsbach. Emsbach. Neiderselters. Neiderselters. Its source is near the town of Haintchen , another village in Selters .. Haintchen. Haintchen
not_related.