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

The user is trying to answer the question: "when did they start putting fluoride in toothpaste?" whose answer is the 1890s.
Each document should contain about 30 words, and these documents should contain noisy information.

Query: when did they start putting fluoride in toothpaste
Noisy Output:

Doc 1: Starting in 1962, the United States Public Health Service (PHS) recommended that public water supplies contain fluoride to help prevent tooth
Doc 2: Ultimately it's beneficial to get fluoride from toothpaste when brushing teeth as well as from water, which offers an additional background
Doc 3:  tooth loss in older adults became more rare, according to federal health officials. WHEN DID WATER FLUORIDATION AS A POLICY BEGIN? In the
Doc 4:  fluoride have been added to community water supplies throughout  They found that while water fluoridation is effective at reducing tooth
Doc 5: Fluoride history dates back to 1901 when residents of Colorado Springs encountered mysterious staining of their teeth.