Read the following premise and answer if the hypothesis is true.
Mark Knowles (born 4 September 1971) is a former tennis player from the Bahamas, specialising in doubles tennis. He has won a number of Grand Slam tournaments, most notably partnering with Daniel Nestor. At various times between 2002 and 2005 he was ranked World No. 1 in doubles. He is a five-time Olympian.
Hypothesis: Mark Knowles still plays tennis professionally. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
No
No.