With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Katie Holmes was born in Nantucket.
text_B: `` Rollercoaster '' is a song by Swedish group Dolly Style .. Dolly Style. Dolly Style. Swedish. Sweden. The song was released in Sweden as a digital download on 28 February 2016 , and was written by Thomas G  : son , Peter Bostrom , and Alexandra Salomonsson .. Peter Bostrom. Peter Bostrom. Sweden. Sweden. It is currently taking part in Melodifestivalen 2016 , and qualified to the Second Chance round -LRB- andra chansen -RRB- from the fourth semi-final .. Melodifestivalen 2016. Melodifestivalen 2016. In andra chansen , it was eliminated .
not_related.