With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: James Bryant Conant wrote The American High School Today.
text_B: Death of a Hero is a World War I novel by Richard Aldington .. World War I novel. World War I novel. Richard Aldington. Richard Aldington. It was his first novel , published by Chatto & Windus in 1929 , and thought to be partly autobiographical .. first novel. debut novel. Chatto & Windus. Chatto & Windus. autobiographical. autobiographical novel
not_related.