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: "who owns the majority of the united states debt?" whose answer is the public.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who owns the majority of the united states debt
Useful Output:

Doc 1: After multiple rounds of quantitative easing, the Federal Reserve has become the largest single holder of US national debt. The Fed's holdings
Doc 2: Most of the U.S. national debt is owned by Social Security, the Federal Reserve, and foreign investors. Learn how it impacts the economy and
Doc 3: The Federal Reserve System was the largest domestic holder of U.S. public debt, with holdings of $5.24 trillion. Holder, Category, Amount (2023)
Doc 4: Who Owns The National Debt? The national debt of the United States is a complex financial matter that impacts the economy in various ways.
Doc 5: The public owns nearly 80% of the debt. The other 20% is actually owned by parts of the government itself, held in things like trust funds.