With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: World War II included air raids carried out over Britain.
text_B: Celypha ermolenkoi is a species of moth of the Tortricidae family .. Tortricidae. Tortricidae. Celypha. Celypha. moth. moth. It is found in Ukraine , on the Crimea and in Kyrgyzstan .. Ukraine. Ukraine. Crimea. Crimea. Kyrgyzstan. Kyrgyzstan. The wingspan is 15 -- 17 mm .. wingspan. wingspan. Adults have been recorded on wing in June .
not_related.