With no explanation, label text_A→text_B with either "entailment" or "not-entailment".
text_A: Nora was reading a book. She brought the book with her to the doctor's office. Nora forgot the book at the doctor's office. Nora realized she forgot the book. She went back to the office to retrieve her book.
text_B: Nora had a book. starts before She go back to the office to retrieve her book
entailment.