A brown dog is jumping after a tennis ball .
An animal is pursuing a man-made object .
A brown dog is jumping after a tennis ball.
An animal is pursuing a man-made object.
To be jumping after something is to be pursuing that something, a tennis ball is a man-made object, and a dog of any color is an animal, regardless of activity.
To be jumping after something is to be pursuing that something , a tennis ball is a man-made object , and a dog of any color is an animal , regardless of activity .