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