sentence: A black and white dog is at a dog park and the owner is bending down and moving in front of the dog as it watches him. sentence:  The owner then walks more into the grass holding onto frisbees and is not only joined by the black and white dog but another dog that is brown and white. sentence: The man begins to throw the frisbees in the air and the dogs take turn catching them and doing tricks to get them that even include jumping on the man's back.