With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Demi Moore appeared on a Candian daytime television medical drama.
text_B: Age of Empires  : Castle Siege is a free-to-play medieval massively multiplayer online tower defense game in the form of a Windows app , designed for Windows 8.1 and Windows Phone .. Age of Empires. Age of Empires. Windows 8.1. Windows 8.1. tower defense. tower defense. free-to-play. free-to-play. medieval. medieval. massively multiplayer online. Massively multiplayer online game. Windows app. Windows app. Windows Phone. Windows Phone. Released in 2014 , the app features micro-transactions to aid in rapid development of a castle and to improve defensive and attacking capabilities .. It was developed by Smoking Gun Interactive and Microsoft Studios , and was formally announced on August 26 , 2014 .. Smoking Gun Interactive. Smoking Gun Interactive. Microsoft Studios. Microsoft Studios. Unlike any preceding Age of Empires game , Castle Siege takes the form of a tower defense game .. Age of Empires. Age of Empires. tower defense. tower defense. Castle Siege was made available on the iOS in 2015 .. iOS. iOS
not_related.