With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bulgaria was in wars.
text_B: Damned in Venice -LRB- Nero veneziano , literally `` Venetian Black '' -RRB- is an Italian horror film directed in 1978 by Ugo Liberatore .. Ugo Liberatore. Ugo Liberatore. Italian. Italy. horror film. horror film
not_related.