With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The final battle of the Wars of the Roses was the Battle of Northampton.
text_B: Red Wood Pigeon -LRB- Palombella rossa -RRB- is a 1989 Italian comedy drama film written and directed by Nanni Moretti .. Nanni Moretti. Nanni Moretti. List of Italian films of 1989. Italian. Cinema of Italy. comedy drama film. comedy drama film. The film won the Nastro d'Argento for best original story .. Nastro d'Argento. Nastro d'Argento
not_related.