With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cyndi Lauper's debut solo album was the first of eight albums she named She's So Unusual.
text_B: Proper artery may refer to  :. Hepatic artery proper. Hepatic artery proper. Hepatic artery proper. Proper palmar digital arteries. Proper palmar digital arteries. Proper palmar digital arteries. Proper plantar digital arteries. Proper plantar digital arteries. Proper plantar digital arteries
not_related.