With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jeffrey Dahmer was a singer.
text_B: Pari is a village in Viljandi Parish , Viljandi County , Estonia .. Estonia. Estonia. County. Counties of Estonia. Viljandi County. Viljandi County. Viljandi Parish. Viljandi Parish. It has a population of 496 -LRB- as of 4 January 2010 -RRB- .. Viljandi Airfield -LRB- ICAO  : EEVI -RRB- is located in Pari .. Viljandi Airfield. Viljandi Airfield. ICAO. ICAO airport code
not_related.