With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gemini is a 2002 novel.
text_B: The Sierre coach crash occurred on 13 March 2012 near Sierre , Switzerland , when a coach carrying school teachers and pupils crashed into a wall in the Sierre Tunnel .. Sierre Tunnel. Sierre Tunnel. Switzerland. Switzerland. coach. Coach ( bus ). Sierre. Sierre. Of the 52 people on board , 28 were killed in the crash , including both drivers , all four teachers , and 22 of the 46 children .. The other 24 pupils , all aged between 10 and 12 , were injured , including three who were hospitalised with severe brain and chest injuries .. The coach was one of three operated by the Aarschot-based Top Tours company and was transporting mostly Belgian school teachers and students from a skiing holiday in Val d'Anniviers back to their two schools in Belgium .. coach. Coach ( bus ). Aarschot. Aarschot. Belgian. Belgium. Val d'Anniviers. Val d'Anniviers. It crashed at around 9.15 pm CET while travelling on the A9 motorway near Sierre , in the southern canton of Valais .. CET. Central European Time. Valais. Valais. Sierre. Sierre. A9 motorway. A9 motorway ( Switzerland ). canton. Cantons of Switzerland. It was Switzerland 's second-worst road accident in history and the country 's worst in a motorway tunnel .. Switzerland. Switzerland. The cause of the crash is under investigation .. Initial reports suggest the driver was not driving under the influence and was not breaking the speed limit .. driving under the influence. driving under the influence. speed limit. speed limit
not_related.