The exhibits powerfully document the build-up to the dropping of the atomic bomb on Nagasaki and the appalling effects of the blast itself and its aftermath.
The exhibit does not demonstrate anything relating to an atomic bomb.
mnli hypothesis: The exhibit does not demonstrate anything relating to an atomic bomb. premise: The exhibits powerfully document the build-up to the dropping of the atomic bomb on Nagasaki and the appalling effects of the blast itself and its aftermath.