Your response should contain at least 4 sentences. The response must contain at least 2 placeholders represented by square brackets, such as [address]. Include keywords [home delivery] and [customer service] in the response. In your response, the word [service] should appear at least 3 times. At the end of your response, please explicitly add a postscript starting with P.S. Your entire response should be in English, and in all lowercase letters. no capital letters are allowed.
user