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: "John Campbell, 5th Duke of Argyll retired to a castle located on the shore of what loch?" whose answer is Loch Fyne.
Each document should contain about 30 words, and these documents should contain useful information.

Query: John Campbell, 5th Duke of Argyll retirement castle
Useful Output:

Doc 1: John succeeded his father in 1770, became the first President of the Highland Society of Scotland and married a celebrated beauty, Elizabeth Gunning.
Doc 2: John Campbell, 5th Duke of Argyll facts for kids. Kids Encyclopedia  In retirement Campbell lived at Inveraray Castle and became an
Doc 3: In retirement Campbell lived at Inveraray Castle and became an expert on agricultural improvement with a seat on the Board of Agriculture. [close] Field
Doc 4: John Campbell, 2nd duke of Argyll was a Scottish supporter of the union with England and commander of the British forces in the Jacobite rebellion of 1715.
Doc 5: Campbell, Archibald, 192-3. Campbell, Frederick, see Cawdor, 3rd Earl. Campbell, John, 1st Baron, 99, 138. Campbell, Lady, 152. Campbell, Pamela, Lady, 163.