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: "Which state of Canada is connected to the most populous city in the US state of Michigan and the seat of Wayne County, by means of the Michigan Central Railway Tunnel, a railroad tunnel under the Detroit River?" whose answer is Ontario.
Each document should contain about 30 words, and these documents should contain useful information.

Query: state of Canada connected to Detroit by Michigan Central Railway Tunnel
Useful Output:

Doc 1: In a sense, it's really four tunnels, because the Michigan Central Railway tunnel is actually two tunnels. One track is southbound into Windsor.
Doc 2: The Michigan Central Railway Tunnel connecting Detroit, Michigan and Windsor, Ontario under the Detroit River is over 100 years old, and remains in daily use.
Doc 3: Windsor's Historic Railway Tunnel Join me as we explore the fascinating history and significance of the Michigan Central Railway Tunnel
Doc 4: Detroit's second tunnel venture took place in 1878, when a tube was proposed to connect Grosse Ile, Michigan with the Canadian mainland. No gas
Doc 5:  Detroit to Windsor, Ontario. The first permanent infrastructure was the Michigan Central Railway Tunnel, which began operation in. 1910 (and is used today)