Please provide a response that explains the importance of hydration for athletes. Your response should contain at least 3 placeholders represented by square brackets, such as [address]. The response must have 2 sections. Mark the beginning of each section with Section 1 and Section 2. There should be a postscript at the end of your response starting with P.S. Include keywords [hydration], [performance], and [recovery] in the response. In your response, the word [water] should appear at least 3 times.

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