With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: British is Alfred Hitchcock's nationality.
text_B: The bank butterflyfish -LRB- Prognathodes aya -RRB- is a species of butterflyfish found in tropical Atlantic waters .. Prognathodes. Prognathodes. species. species. butterflyfish. butterflyfish. Atlantic. Atlantic
not_related.