sentence: The boy who's wearing a blue sweater and gray pants is walking this caramel colored dog. sentence:  He starts to tug on the dog's leash. sentence:  the dog comes along and they keep walking on the concrete path. sentence:  the boy stops to look at the camera. sentence:  then he lets the dog smell the tree. sentence:  Next he runs through the park until he stops to see a black dog sitting by a tree. sentence:  next the boys takes the dog near a fallen tree on the ground and they start running together, until they run into another big dog. sentence:  then they keep going and all of the dogs try to run behind the other to play.