With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Seppuku is an abandoned Japanese ritual.
text_B: Argynnis nerippe is an East Palearctic butterfly in the Nymphalidae family -LRB- Heliconiinae -RRB- .. Nymphalidae. Nymphalidae. Argynnis. Argynnis. Palearctic. Palearctic. butterfly. butterfly. Heliconiinae. Heliconiinae. It is found in Japan , Korea , China , and Tibet .
not_related.