With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nelson Mandela introduced measures to escalate poverty.
text_B: Loginovsky is a family .. family. family. This family have n't source country -LRB- variants  : Russia , Poland -RRB- because it is ordinary form for that countries .. family. family. Russia. Russia. Poland. Poland. Polish form -- Login 's ki .
not_related.