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 is required to file suspicious activity reports?" whose answer is financial institution.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who is required to file suspicious activity reports
Useful Output:

Doc 1: Who Usually Files Suspicious Activity Reports? Often, well-trained employees begin the SAR reporting requirement. If someone notices a
Doc 2: In general, any financial institution must file a SAR if it detects any known or suspected criminal law or act. Some examples of suspicious
Doc 3: Banks are generally required to file a Suspicious Activity Report if a transaction  must maintain the confidentiality of these reports
Doc 4: A suspicious activity report is a document that any financial institution, such as banks, must file with the Financial Crimes Enforcement Network (FinCEN)
Doc 5: A SAR is a document that financial businesses and some other organizations must file with the Financial Crimes Enforcement Network (FinCEN).