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