The sentence finishes using a string of "wh-" noun clauses. These clauses are not thoughts, so the final a single must also not be a matter. "Which a person would be the best" is obviously an issue structure, so it is smart that " I have composed a brief report https://naturalhealthproduct.politics.blog/2025/09/03/natural-health-products-in-india-trusted-cureayu-solutions/