With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Who's most commercially successful single was "I Can't Explain".
text_B: Panau quarlesi is a moth in the Cossidae family .. Cossidae. Cossidae. Panau. Panau ( moth ). moth. moth. It was described by Roepke in 1957 .. It is found on Borneo .. Borneo. Borneo. The habitat consists of lowland rain forests .
not_related.