With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Saswata Chatterjee refuses to work in television.
text_B: This is the list of longest rivers of Romania which entirely or partially flow through Romania .. Romania. Romania. For the full list in alphabetical order , see List of rivers of Romania -LRB- alphabetic -RRB- .. Romania. Romania
not_related.