With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Elementary has Rhys Ifans in its cast.
text_B: The Ruan Yisan Heritage Foundation is a non-governmental , non-profit organization created on June 9 , 2006 , `` to support and promote urban heritage conservation in China .. non-governmental. Non-governmental organization. non-profit organization. Non-profit organizations. It is a private foundation supervised by the Shanghai Administration Bureau of NGOs and Shanghai Municipal Urban Planning Administration Bureau . ''. Founder Ruan Yisan is a former professor of urban planning at Tongji University of Shanghai and director of the National Research Center for Historic Cities in Shanghai .. Tongji University of Shanghai. Tongji University. The Foundation is a member of the International National Trusts Organisation .. International National Trusts Organisation. International National Trusts Organisation
not_related.