system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Who is the greatest tennis player of all time?


assistant
Being the greatest is a subjective question, based on the number of grand slams and the era in which they were played, Rod Laver is considered to be one of the greatest players of all time