With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Constantine is an American film.
text_B: Walker Digital is a privately held American research and development lab based in Stamford , Connecticut .. Stamford. Stamford, Connecticut. Connecticut. Connecticut. privately held. privately held. research and development. research and development. It was founded in 1994 by Jay S. Walker , who also holds the position of chairman as of 2011 .. Jay S. Walker. Jay S. Walker. The company specializes in creating applications and business solutions that work with large-scale networks such as cell phones and the Internet .. cell phones. cell phones. Internet. Internet. Walker Digital and its principals partner with Fortune 500 firms such as Time Warner and International Game Technology to bring its inventions to market .. Fortune 500. Fortune 500. Time Warner. Time Warner. International Game Technology. International Game Technology ( 1975 ). It also licenses other companies to do so .. licenses. patent licensing. Walker Digital is considered a `` non-practicing entity '' or patent troll because it does not create products itself , instead relies on lawsuits to generate revenue .. patent troll. patent troll. Walker Digital LLC is the parent company of Walker Digital Management , Walker Digital Lottery , Walker Digital Gaming and Walker Digital Table Systems .. In 2011 several Walker Digital executives purchased TEDMED , the annual conference on the future of health and medicine .. TEDMED. TEDMED
not_related.