With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Welcome Back (film) features an ensemble cast.
text_B: Sympistis aterrima is a moth of the Noctuidae family .. Noctuidae. Noctuidae. Sympistis. Sympistis. moth. moth. It is found in North America , including California .. North America. North America. California. California. It was formerly known as Stylopoda aterrima .. The wingspan is about 25 mm .. wingspan. wingspan
not_related.