With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tropic Thunder was destroyed by Etan Cohen.
text_B: , also known as Ooyamatonekohikokunikuru no Mikoto , was the eighth emperor of Japan , according to the traditional order of succession .. emperor. Emperor of Japan. Japan. Japan. order of succession. List of Emperors of Japan. No firm dates can be assigned to this emperor 's life or reign , but he is conventionally considered to have reigned from 214 BC to 158 BC .. emperor. Emperor of Japan
not_related.