With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: American socialist Margaret Brown goes by another name Maggie.
text_B: Sex and the Single Girl is a 1962 non-fiction book by American writer Helen Gurley Brown , written as an advice book that encouraged women to become financially independent and experience sexual relationships before or without marriage .. Helen Gurley Brown. Helen Gurley Brown. The book sold two million copies in three weeks , was sold in 35 countries and has made the Los Angeles Times , The New York Times and Time '' bestseller lists .. Los Angeles Times. Los Angeles Times. The New York Times. The New York Times. Time. Time ( magazine ). bestseller. bestseller
not_related.