With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Venus is the second planet from the center of the Solar System.
text_B: Scopula mappata is a moth of the family Geometridae .. Geometridae. Geometer moth. Scopula. Scopula. moth. moth. It was described by Guenee in 1858 .. Guenee. Achille Guenee. It is found in Brazil and northern Argentina .. Brazil. Brazil. Argentina. Argentina
not_related.