In this task, you are presented with a term, a question, and a yes/no answer. For context, the term is associated with a short description. Write the simple facts one needs to know in order to answer the given question. The facts should be easily found on the web (e.g. mentioned in a Wikipedia page)
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Question: Term: HIV, Description: Human retrovirus, cause of AIDS, Question: Is an animal the origin source of HIV?, Answer:Yes

Answer: Fact1: HIV-1 and HIV-2 are believed to have originated in non-human primates in West-central Africa Fact2: Non- human primates is a eutherian mammal constituting the taxonomic order Primates Fact3: All mammals except humans are mammals 


Question: Term: Silurian, Description: Third period of the Paleozoic Era, Question: Was the early Silurian dominated by a species similar to a Roman delicacy?, Answer:Yes

Answer: Fact1: The early Silurian was dominated by Agnatha, a species similar to lampreys. Fact2: Lampreys were considered a Roman delicacy. 


Question: Term: Hair, Description: protein filament that grows from follicles found in the dermis, or skin, Question: Is it safe to eat hair?, Answer:Yes

Answer:
Fact1: Hair is made of keratin. Fact2: Food manufacturers use L-cysteine as a food additive. Fact3: L-cysteine is made from keratin.