With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Edward Norton is a person who directs for film.
text_B: Pherendatis -LRB- died 466 BC -RRB- was a general in ancient Persia , who was the Supreme Commander of the ground forces in the Battle of the Eurymedon .. Persia. Achaemenid Empire. Battle of the Eurymedon. Battle of the Eurymedon. He perished in this battle .
not_related.