With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Songwriting is a profession of Louis Tomlinson.
text_B: The Wishaw and Coltness Railway was an early Scottish mineral railway .. It ran for approximately 11 miles from Chapel Colliery , at Newmains in North Lanarkshire connecting to the Monkland and Kirkintilloch Railway near Whifflet , giving a means of transport for minerals around Newmains to market in Glasgow and Edinburgh .. Newmains. Newmains. Monkland and Kirkintilloch Railway. Monkland and Kirkintilloch Railway. Shortage of capital made construction slow , and the line was opened in stages from 1833 , opening fully on 9 March 1844 .. It was built to the track gauge of , commonly used in Scotland for coal railways .. It had several branches serving pits and ironworks .. In 1849 it became part of the Caledonian Railway and sections of the original network form part of the modern West Coast Main Line railway .. Caledonian Railway. Caledonian Railway
not_related.