You are tasked with writing a formal letter to [address] regarding [purpose]. The letter should have a professional tone and be structured with an opening, body, and closing. The opening should introduce the writer and state the purpose of the letter. The body should provide details about [purpose] and any necessary information. The closing should restate the purpose and express gratitude. Your response should contain at least 3 placeholders represented by square brackets, such as [address] and [purpose]. Finish your response with this exact phrase: "Thank you for your attention to this matter."
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