With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Beneath it, Centralia, Pennsylvania has a coal mine fire.
text_B: Quiet Night In is a 2005 New Zealand film written , produced and directed by Christopher Banks .. Christopher Banks. Christopher Banks. It premiered at the Stratford-upon-Avon International Digital Film Festival in the United Kingdom .. Stratford-upon-Avon International Digital Film Festival. Stratford-upon-Avon International Digital Film Festival
not_related.