Your response should contain at least 3 sentences. The response must contain exactly 2 placeholders represented by square brackets, such as [address]. Your answer must contain a title, wrapped in double angular brackets, such as <<How to find a reliable contractor>>. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. In your response, the word "contractor" should appear at least 2 times. Finish your response with this exact phrase [ender]. No other words should follow this phrase.

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