With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vikram was in a Tamil-language film.
text_B: Petia Arnaudova is an eminent physician and author of medical books .. physician. physician. author. author. She has three specialties , internal medicine , rheumatology , and pharmacology , as well as a Doctor of Science degree and a Professorship in Medicine .. internal medicine. internal medicine. rheumatology. rheumatology. pharmacology. pharmacology. She is Bulgarian and American citizen currently living in Chicago , United States and Sofia , Bulgaria .. Chicago. Chicago. United States. United States. Sofia. Sofia. Bulgaria. Bulgaria. Arnaudova has more than thirty years of clinical , scientific and educational practice , mainly at Medical University of Sofia , Bulgaria .. Sofia. Sofia. Bulgaria. Bulgaria. Medical University of Sofia. Medical University of Sofia. She has also been  :. Deputy Minister of Health for the Ministry of Health of Bulgaria -LRB- 1994 -- 1995 -RRB-. Bulgaria. Bulgaria. Vice-President of the joint Greek-Bulgarian medical company Biocheck based in Sofia , Bulgaria -LRB- 1996 -- 1997 -RRB-. Sofia. Sofia. Bulgaria. Bulgaria. Director of the Department of Clinical Research at the American pharmaceutical company Viral Genetics , Inc. in Pasadena , CA , USA -LRB- 1999 -- 2001 -RRB-. Senior Editor of Cardioscript International , based in Salt Lake City , UT , USA - a service for translating , editing and revising scientific medical manuscripts to meet the standards of American scientific publications -LRB- 1998 -- 2006 -RRB- .. Salt Lake City. Salt Lake City
not_related.