You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what kind of bomb was used in hiroshima?" whose answer is nuclear.
Each document should contain about 30 words, and these documents should contain useful information.

Query: type of bomb used in hiroshima
Useful Output:

Doc 1: On the morning of August 6, 1945, the American B-29 bomber Enola Gay dropped an atomic bomb on the Japanese city of Hiroshima.
Doc 2: The enriched uranium-235 was the critical element in creating an explosive fission reaction in nuclear bombs. The Manhattan Project team agreed
Doc 3: On August 6, 1945, the crew of a modified Boeing B-29 Superfortress named Enola Gay dropped the first atomic bomb used in warfare,
Doc 4: Atomic bomb - Nuclear Weapons, Hiroshima, Nagasaki: The first atomic bomb was built in Los Alamos, New Mexico, during World War II under a
Doc 5: Two atomic bombs made from uranium-235 and plutonium-239 were dropped on Hiroshima and Nagasaki respectively early in August 1945.