premise1: Two dogs, both wearing collars, are playing with one another in the grass.
premise2: A brown dog with a pink collar with a heart on it playing with a bigger dog.
premise3: Two brown dogs fighting each other.
premise4: Big dog trying to bite little dog
premise: Two dogs, both wearing collars, are playing with one another in the grass. A brown dog with a pink collar with a heart on it playing with a bigger dog. Two brown dogs fighting each other. Big dog trying to bite little dog
hypothesis: A dog barking.