premise1: A dog 's mouth opens to expose its sharp teeth.
premise2: Two dogs play with each other on a wood floor.
premise3: Two dogs play on the wooden floor inside.
premise4: A dog tries to bite another dog.
premise: A dog 's mouth opens to expose its sharp teeth. Two dogs play with each other on a wood floor. Two dogs play on the wooden floor inside. A dog tries to bite another dog.
hypothesis: Dogs fighting over a toy.