def ai_discussion(keywords=['refuse to acknowledge', 'earlier', 'requests', 'rejuvenate', 'wary']): user_feedback = [request for request in requests if 'wary' in request and not 'refuse to acknowledge' in request]; print("in an earlier phase, being wary of uncharted territories in artificial intelligence was common, but today, innovative requests to rejuvenate the field are warmly welcomed.")