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: "Which battle was fought for a shorter period of time, the Battle of the Ch'ongch'on River, or the Meuse-Argonne Offensive?" whose answer is Battle of the Ch'ongch'on River.
Each document should contain about 30 words, and these documents should contain useful information.

Query: duration of Meuse-Argonne Offensive
Useful Output:

Doc 1: The Meuse-Argonne Offensive was the final Allied engagement along the Western Front during the First World War, carried out over 47 days by American and French
Doc 2: The battle lasted for several weeks with ten of thousands of men on all sides killed – and a reported number of more than 26,000 US soldiers
Doc 3: The Meuse-Argonne Offensive was one of the final campaigns of World War I (1914-1918) and was fought between September 26 and November 11, 1918.
Doc 4: The Meuse-Argonne Offensive was the costliest battle in American military history in terms of casualties. In six weeks, the American
Doc 5: It was opposed mostly by elements of the German Fifth. Army. MEUSE-ARGONNE OFFENSIVE. U.S. First Army Area of Operations. 30 October–11 November