It's good to keep track of your pets.
Owen was walking his dog in the park one afternoon.
Owen wants to let his dog run in the grass.
Owen jogs alongside his dog when he is running through the grass.
Owen takes the leash off of his dog and lets it run around by itself.
Owen and his dog are both able to get exercise in the park.
Owen's dog runs far from him and gets lost and Owen never finds it again.