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: "when was the telephone released to the public?" whose answer is 25 June 1876.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the telephone released to the public
Useful Output:

Doc 1: Released to the general public in 1984, it cost nearly $4,000. Adjusting for inflation, it would cost $9,000 today!
Doc 2: Alexander Graham Bell developed the world's first working telephone, receiving a patent on the 7 March 1876.
Doc 3: We'll have to go back more than a century to get the answer to that question. In 1876, Alexander Graham Bell invented the telephone.
Doc 4: This concept goes back a good 100 years: the first public telephone box was installed in New Haven in the US state of Connecticut in 1878.
Doc 5: In March 1876, Bell and his assistant Thomas Watson held the first telephone call in history. On his 29th birthday, Bell achieved his lifelong dream. He