With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Park Jin-young was a judge on K-pop Star 2.
text_B: Locomotive , Railway Carriage & Wagon Review was a British monthly magazine covering the rail transport industry .. It was first published in 1896 as Moore 's Monthly Magazine .. After 65 years and 807 issues , it ceased in November 1959 being incorporated into sister Ian Allan Publishing publication Trains Illustrated in January 1960 which in turn became Modern Railways in January 1962 .. Ian Allan Publishing. Ian Allan Publishing. Modern Railways. Modern Railways. It primarily focused on new railway locomotives and rolling stock with a combination of news and reviews .. Although with an emphasis on activities in the United Kingdom , it did cover other countries , notably the Netherlands , and British Colonies .
not_related.