Your response should be in English, and in all lowercase letters. no capital letters are allowed. your answer must contain a title, wrapped in double angular brackets, such as <<how to make a perfect cup of tea>>. your response should contain less than 200 words. including a postscript starting with p.s. at the end of your response, please explicitly add a postscript starting with p.s. the response must contain at least 3 placeholders represented by square brackets, such as [temperature].
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