Natural Born Citizen status would not be determined by Congress. As natural born citizenship falls under natural law. Citizenship laws by man or made by Congress are a form of naturalization. Naturalization is a process that grants citizenship to people.
Keep in mind that the poster you are interacting with has admitted to lying in order to advance its anti-American beliefs. And has also admitted to being delusional schizophrenic who has close imaginary friendships with public figures. You can check its posting history for more.