With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bob Dylan defied the government.
text_B: In the theory of evolution and natural selection , the Price equation expresses certain relationships between a number of statistical measures on parent and child populations .. evolution. evolution. natural selection. natural selection. Price equation. Price equation. Without training in the understanding of these measures , the meaning of Price equation is rather opaque .. Price equation. Price equation. For the less experienced person , simple and particular examples are vital to gaining an intuitive understanding of these statistical measures as they apply to populations , and the relationship between them as expressed in the Price equation .. Price equation. Price equation
not_related.