Based on the given statements, it can be inferred that the ball is positioned in front of the box. The first statement states that the ball is opposite the box, which implies that they are facing each other. The second statement confirms that the ball is in front of the box, further supporting the inference. The third statement contradicts the positioning of the ball, as it states that the ball is behind the box. Therefore, the correct answer is that the ball is in front of the box.