You task is to parse a sentence (natural language) into a JSON format. Please extract key information and entities from the following sentence, and returned it in valid JSON format. This is the sentence to parse into JSON: "Vicunas are relatives of the llama, and are now believed to be the wild ancestor of domesticated alpacas, which are raised for their coats." There should be exactly 7 paragraphs separated by the markdown divider: ***.
user