With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: An original member of Stone Temple Pilots was born on August 23.
text_B: The Aargau S-Bahn -LRB- S-Bahn Aargau -RRB- is an S-Bahn-style regional rail network serving the canton of Aargau , Switzerland .. Aargau. Aargau. S-Bahn. S-Bahn. regional rail. regional rail. canton. Cantons of Switzerland
not_related.