Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question. 
 input : Question: Opportunistic diseases are usually the direct cause of death of people with what disease? Answer: aids
length_constraints:number_sentences change_case:capital_word_frequency detectable_content:postscript language:response_language startend:quotation detectable_content:number_placeholders punctuation:no_comma
less than
at least
P.P.S
ta
Please make sure the response less than 3 sentences long Use words in all capital letters at least 1 times please explicitly add a note starting with P.P.S Please respond to me only in Tamil You need to wrap your entire response in double quotes The response must contain at least 2 placeholders represented by square brackets In your response please avoid using commas