With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Spider-Man is in elementary school.
text_B: The United States Strategic Bombing Survey was a board of experts assembled to produce an impartial assessment of the effects of Anglo-American strategic bombing of Nazi Germany during the European theatre of World War II .. strategic bombing. strategic bombing. Nazi Germany. Nazi Germany. European theatre. European theatre of World War II. World War II. World War II. After publishing its report , the Survey then turned its attention to the efforts against Imperial Japan during the Pacific War , including a separate section on the recent use of the atomic bombs .. Imperial Japan. Imperial Japan. Pacific War. Pacific War. atomic bombs. atomic bombs. In total , the reports contained 208 volumes for Europe and another 108 for the Pacific , comprising thousands of pages .. The reports ' conclusions were generally favourable about the contributions of Allied strategic bombing towards victory , calling it `` decisive '' .. strategic bombing. strategic bombing. Although most of the Survey 's members were military , about one-third of the 1,000-member group were civilians .. military. military. civilians. civilians. While the Board was not associated with any branch of the military , it was established by the U.S. Secretary of War Henry L. Stimson and chaired by a civilian , Franklin D'Olier .. military. military. U.S. Secretary of War. U.S. Secretary of War. Henry L. Stimson. Henry L. Stimson. Franklin D'Olier. Franklin D'Olier
not_related.