With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Louis Tomlinson was only part of previously established bands.
text_B: Mediaset Plus was an Italian entertainment television channel .. Italian. Italian language. Mediaset. Mediaset. television channel. television channel. Started to broadcast on December 1 , 2008 , carry an entertainment-themed programming produced by Mediaset .. Mediaset. Mediaset. It was closed on July 2 , 2011 .. Its programs were moved to the digital channels La5 and Mediaset Extra .. Mediaset. Mediaset. La5. La5. Mediaset Extra. Mediaset Extra
not_related.