With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Physician Sanjay Gupta withdrew his name from consideration for the position of Surgeon General of the United States.
text_B: John Calvin Maxwell -LRB- born 1947 -RRB- is an American author , speaker , and pastor who has written many books , primarily focusing on leadership .. pastor. pastor. Titles include The 21 Irrefutable Laws of Leadership and The 21 Indispensable Qualities of a Leader .. The 21 Irrefutable Laws of Leadership. The 21 Irrefutable Laws of Leadership. His books have sold millions of copies , with some on the New York Times Best Seller List .. New York Times Best Seller List. New York Times Best Seller List
not_related.