With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The French language is an unofficial language of some countries.
text_B: In Greek mythology , the name Amphius refers to two defenders of Troy  :. Greek mythology. Greek mythology. Troy. Troy. Amphius , son of Merops of Percote .. Merops. Merops ( mythology ). Percote. Percote. Disregarding their father 's advice , he and his brother Adrastus joined in the Trojan War and were killed by Diomedes .. Adrastus. Adrastus ( mythology ). Trojan War. Trojan War. Diomedes. Diomedes. Amphius , son of Selagus , from Paesus .. He was killed by Ajax the Great .. Ajax the Great. Ajax the Great
not_related.