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 built the first car in the united states?" whose answer is Duryea Motor Wagon Company.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who built the first car in the united states
Useful Output:

Doc 1: If you were to ask most people this question, the answer you would likely receive is Karl Benz, but the answer may be a lot more complicated.
Doc 2: The first mass produced car, in the modern sense, was the 1901 Curved Dash Oldsmobile, built in Detroit by Ransome Eli Olds, who came up with
Doc 3: Exactly who invented the automobile is a matter of opinion. Earlier accounts often gave credit to Karl Benz, from Germany, for creating the
Doc 4: Ransome Eli Olds built the first mass-produced automobile in the United States: the 1901 Curved Dash Oldsmobile. Olds invented the basic idea of the assembly
Doc 5: It is believed that Edgar Duryea and his brother Frank were the first to invent a gas-powered car with a two-stroke motor in the United States in 1893.