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 has the authority to decide if a drug is marketed as an otc or prescription-only product?" whose answer is The FDA.
Each document should contain about 30 words, and these documents should contain useful information.

Query: authority to classify drugs as OTC or prescription-only
Useful Output:

Doc 1: This paper reviews the regulations of over-the-counter (OTC) medicines in 30 European countries with the goal of identifying the regulatory trends and clusters
Doc 2: The US is the only country with a two-drug classification system: prescription drugs and over-the-counter drugs (GSL drug category). There is no
Doc 3: This article reviews the process by which drug products are approved for OTC use and changed from prescription to OTC status.
Doc 4: Article 71 provides the criteria for classifying a medicinal product as subject to medical prescription. Thus a medicinal product which meets these criteria is
Doc 5: This law created the Drug Enforcement Administration (DEA) and regulated drug classification, procurement, distribution, prescription, and