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_words startend:quotation keywords:frequency detectable_format:number_highlighted_sections length_constraints:number_paragraphs change_case:english_lowercase keywords:forbidden_words
at least
less than
relationships
health
Keep your entire response at least 13 words or less. Your answer need to be wrapped in double quotes Mention the word "relationships" for less than 2 times Make sure to highlight at least 2 sections in your answer with markdown, i.e. use *highlighted section* Please reply in details, and include exactly 3 paragraphs. Separate the paragraphs with *** All letters in your response must be lower case letters The words health cannot be in the response