With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Régine Chassagne is a founding member of The Killers.
text_B: See Ptolemais for namesakes. Ptolemais. Ptolemais ( disambiguation ). Ptolemais was an ancient port city on the Phoenician coast .. Ptolemais. Ptolemais ( disambiguation ). It was also called Ptolemais in Phoenicia -LRB- or Akko , Ake or Akre in the Phoenician language -RRB- .. Ptolemais. Ptolemais ( disambiguation ). Phoenicia. Phoenicia. It was an Ancient bishopric , which became a double Catholic titular see .. titular see. titular see. In the Middle Ages , it was known as Acre '' amongst some Western European crusaders , who started a new , militantly Latin chapter there .. Acre. Acre, Israel
not_related.