With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A mixtape is recorded.
text_B: Gymnelia steinbachi is a moth of the Arctiidae family .. Arctiidae. Arctiidae. Gymnelia. Gymnelia. moth. moth. It was described by Rothschild in 1911 .. It is found in Bolivia .. Bolivia. Bolivia
not_related.