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:number_sentences language:response_language detectable_content:postscript change_case:capital_word_frequency detectable_content:number_placeholders startend:quotation punctuation:no_comma
less than
ta
P.P.S
at least
Please make sure the response less than 3 sentences long Please respond to me only in Tamil please explicitly add a note starting with P.P.S Use words in all capital letters at least 1 times The response must contain at least 2 placeholders represented by square brackets You need to wrap your entire response in double quotes In your response please avoid using commas