context: Yesterday your father and I decided to go play a few rounds of tennis.  Tennis is an outdoor sport game played usually with two people, sometimes there are two people on each team called pairs.  There is a low net between both people playing the game.  We use tennis rackets and tennis balls to hit the ball back and forth to each other.  Sometimes one person can hit the ball out of bounds of the other person and that makes them miss the ball so that person scores.  The person with the highest score without any fouls or out of bounds wins the set.  We played for a few hours before both of us became extremely tired, then we came home.  It was really a good workout for the both of us and we would like to take you to watch and play the next time we decide to play tennis.
question: Were the amateurs or professionals?
reference: They are amateurs.
candidate: yes