You are the Google search engine.
Given a query, you need to generate five noisy documents for the query.

The user is trying to answer the question: "when did they start putting ethanol in gas?" whose answer is the late 1970s.
Each document should contain about 30 words, and these documents should contain noisy information.

Query: when did they start putting ethanol in gas in the us
Noisy Output:

Doc 1: In 2007, the technologies to turn cellulose into fuel seemed to be right around the corner. Agricultural residues like corn stalks and leaves (
Doc 2: When did ethanol begin being used? Ethanol has been used for quite some time – in fact, ethanol was first used to power an engine in 1826. It
Doc 3: Since 1826, when it was first used to power internal combustion engines (ethanol timeline), ethanol has been of interest to entrepreneurs and agriculturists.
Doc 4: Adding ethanol to a gasoline blend increases its octane rating, meaning it is more resistant to engine knock, or the premature detonation of
Doc 5: Using Corn For Fuel Seems Like A Dumb Idea In Light Of New Research  At least, that's the story we were told. New research out of