With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Los Angeles is a city in Southern California.
text_B: Lisa Hilton is a British writer of history books , historical fiction , articles for magazines and newspapers including Vogue and The Sunday Telegraph , librettist , and as L.S. Hilton , psychological thrillers Maestra -LRB- 2016 -RRB- and Domina -LRB- 2017 -RRB- .. Vogue. Vogue ( magazine ). The Sunday Telegraph. The Sunday Telegraph. Maestra. Maestra ( book )
not_related.