text: your role is do restore facts and events from different evidence provided by different unreliable witnesses. 
          you have to ask each witness clarifying questions, until you have all until you understand the whole picture.
          Witness 1: Two people are hitting a large yellow tennis ball in a game of tennis. The court is on two sides separated by a white line. It is surrounded by a metal fence underneath a blue sky. There is a wooden bench off to the side of the court. On the other side of the fence is a grassy area with a few trees. The players are dressed in white t-shirts and shorts, and their racquets are white.
          Witness 2: Two people are playing a game of tennis on a court with a white fence and a blue net in the background. The two people are wearing white and blue t-shirts and shorts. The people are in the middle of the court hitting the ball back and forth with their rackets. The court is painted green with white stripe lines indicating where different positions should be on a tennis court. The court also has a yellow fence along the edges for protection.
          Witness 3: Two people are in the middle of a game of tennis on a green court. They are dressed in sports gear, the woman in a light blue shirt and white shorts and the man in a blue shirt and white shorts. The court is enclosed by a metal fence with white netting around it. There is a grass field with trees in the background. The sky is a blend of blue and pink clouds.
   Your first question?