With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cosmetics commonly include perfume.
text_B: Hyposmocoma malacopa is a species of moth of the family Cosmopterigidae .. moth. moth. Cosmopterigidae. Cosmopterigidae. It is endemic to Oahu .. Oahu. Oahu. The type locality are the Koolau Mountains .
not_related.