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: "What radio station is located in MA & is a primary entry point for the emergency alert system?" whose answer is WBZ.
Each document should contain about 30 words, and these documents should contain useful information.

Query: primary emergency alert radio station in Massachusetts
Useful Output:

Doc 1: Massachusetts Alerts: National Terrorism Advisory System; State EAS Primary: WBZ, Boston (AM 1030, FM 98.5); State EAS Alternate: WBMX, Boston (FM 104.1)
Doc 2: The primary method of notifying the public is through the prompt notification system, consisting of 113 sirens and 5 primary radio stations covering the 10-mile
Doc 3: FEMA and iHeartMedia's WBZ NewsRadio 1030 Boston unveiled a new emergency broadcast studio designed to increase the station's ability to continue broadcasting
Doc 4: The stations are licensed by the FCC for broadcasting emergency and non-emergency information, located on 1630 AM and 1640 AM. The AM radio stations will be
Doc 5: NWR broadcasts official warnings, watches, forecasts and other hazard information 24 hours a day, seven days a week. · NWR also broadcasts alerts