Fix grammatical mistakes in this sentence: Therefore they are often used to roll out a product research before it is developed according to usual business processes.
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The second sentence is the second sentence of the article.
The third sentence is the third sentence of the article.
The fourth sentence is the fourth sentence of the article.
The fifth sentence is the fifth sentence of the article.
The sixth sentence is the sixth sentence of the article.
The seventh sentence is the seventh sentence of the article