Defenders

A dog runs across a grassy field, then jumps into a large body of water, creating a splash. The dog swims through the water, then climbs out and shakes off the water. The dog runs across the grassy field again, then stops and looks around. The dog then runs back towards the water, jumps in, and swims again. The dog climbs out of the water, shakes off the water, and runs across the grassy field again. The dog then runs towards a tree, jumps up, and grabs a branch with its mouth. The dog climbs the tree, then jumps down and runs across the grassy field again. The dog then runs towards a fence, j