With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Omar Sharif was fluent in Arabic.
text_B: Nadab may refer to  :. Nadab -LRB- son of Aaron -RRB- , Biblical figure , eldest son of Aaron the High Priest of Israel. Nadab of Israel -LRB- Hebrew  : נדב NaDaB meaning `` nobel '' -RRB- , king of the northern Kingdom of Israel , reigned c. 901-900 BCE. Nadab of Israel. Nadab of Israel. Nadab , Romania -LRB- Nadab -RRB- , a village administered by Chisineu-Cris town , Arad County , Romania. Chisineu-Cris. Chisineu-Cris
not_related.