sentence: A caveman is seen walking a purple rock. sentence:  He runs into a big dog and the dog eats the caveman. sentence:  A God walks a poodle. sentence:  A cowboy walks his dog and is shot outside a saloon. sentence:  Chaplin is seen walking his dog. sentence:  A hippie dog lies down on the floor and seems to be hallucinating. sentence:  Dogs and spacecraft are seen exploring space.