Task: Explanation
Input (English): Alex O'Brien (born March 7, 1970 in Amarillo, Texas) is a retired professional tennis player from the United States, who competed on the ATP Tour. He became the world No. 1 doubles player in May 2000 and was ranked as high as world No. 30 in singles in June 1997. Question: Were Alex O'Brien and Maria Sharapova both professional tennis players? Answer: yes
Output (English): Alex OBrien born March 7, 1970 in Amarillo, Texas is a retired professional tennis player from the United States, who competed on the ATP Tour.