premise1: A tan dog and a black dog fighting inside a fenced yard.
premise2: Two dogs biting each other playfully while jumping
premise3: A German Shepherd and a tan dog are fighting.
premise4: A brown dog is biting a black dog.
premise: A tan dog and a black dog fighting inside a fenced yard. Two dogs biting each other playfully while jumping A German Shepherd and a tan dog are fighting. A brown dog is biting a black dog.
hypothesis: A brown dog walks on grass.