Your response should contain at least 100 words. The response must have 3 paragraphs. Paragraphs are separated with the markdown divider: ***. In your response, the word "environment" should appear at least 3 times. In your response, the letter "e" should appear at least 15 times. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. At the end of your response, please explicitly add a postscript starting with P.S.
user