With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Anne ruled a sovereign state in eastern Europe.
text_B: Trema lamarckiana , the Lamarck 's trema or West Indian nettle tree , is a species of a plant in the Cannabaceae family belonging to a genus of Treme Lour .. Cannabaceae. Cannabaceae. Trema. Trema ( plant ). species. species. It is a small evergreen shrub that is native of Florida and the West Indies .. Florida. Florida. West Indies. West Indies. It has several common names such as pain-in-back , cabrilla and Lamarck trema .. It is 6 m tall growing all year .
not_related.