With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Wyatt Earp's first wife saw typhoid fever.
text_B: Tumu is a small town and is the capital of Sissala East district , a district in the Upper West Region of north Ghana .. Upper West Region. Upper West Region. Sissala East district. Sissala East District. Ghana. Ghana. Tumu is connected by road to the town of Navrongo .. Navrongo. Navrongo
not_related.