With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A The Silence of the Lambs character is not a serial killer "Buffalo Bill."
text_B: The Kal and Lucille Rudman Foundation is a philanthropic organization community and throughout the Delaware Valley .. Delaware Valley. Delaware Valley. The Foundation gives financial support to programs and causes , primarily in the fields of education and public safety .. education. education. public safety. public safety. It was founded by Kal Rudman and his wife Lucille Rudman .. Kal Rudman. Kal Rudman
not_related.