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: "Was Operation Diadem or the Battle of Cold Harbor fought during the Civil War?" whose answer is Battle of Cold Harbor.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Operation Diadem
Useful Output:

Doc 1: The campaign is about the decisive Allied (mainly British) offensive to break the Gustav Line, and to advance to Rome.
Doc 2: The final battle at Monte Cassino and the collapse of the Gustav Line. If you'd like to support our work you can find some cool merchandise
Doc 3: 1944: Operation 'Diadem' - also known as the Fourth Battle of Monte Cassino - begins. 'Diadem' was an Allied offensive operation and was supported by air
Doc 4: Very good on the nitty gritty of the fighting carried out by Bohmler's paratroops, who were responsible for much of the determined defence of Cassino monastery
Doc 5: We have a VASSAL campaign ongoing, the game can be followed in the blog . I'll try to remember to update this thread also, should anyone be