With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ativan is not the brand name for Lorazepam.
text_B: Robert Adams Gottlieb -LRB- born April 29 , 1931 -RRB- is an American writer and editor .. American. United States. He has been editor-in-chief of Simon & Schuster , Alfred A. Knopf , and The New Yorker .. Simon & Schuster. Simon & Schuster. Alfred A. Knopf. Alfred A. Knopf. The New Yorker. The New Yorker
not_related.