what's that thing they invented for the developing world where you put it on a dirty lake and the sun rays evaporate the water and it goes up and into a container and it's clean
length_constraints:nth_paragraph_first_word keywords:frequency startend:quotation punctuation:no_comma length_constraints:number_sentences detectable_format:number_bullet_lists detectable_format:multiple_sections
Stuart
less than
Stuart
less than
SECTION
answer exactly 4 paragraphs. Use 2 new lines to separate paragraphs. Start the first paragraph with the word "Stuart" reply should include the word "Stuart" less than 2 times Please wrap your entire reply with double quotation marks You are not allowed to use any commas in your response The number of sentences in your response should be less than 3 Make sure the answer contains exactly 2 bullet points in markdown format Your response must contain 3 sections, mark the beginning of each section with SECTION X