The sentence ends having a string of "wh-" noun clauses. These clauses will not be queries, so the final a person must also not be a question. "Which one is the best" is clearly a matter format, so it is smart that " not influenced by human beings or civilization; https://ayurvedicmedicineforlifestyledisorder.blogspot.com/2025/08/trusted-cureayu-vegetarian-ayurvedic.html