premise: A dog opens its mouth to catch a blue and yellow toy. hypothesis: The puppy is chasing a ball.
neutral: The blue and yellow toy could be anything, sentence 2 explains it is a ball.|neutral: A dog opening its mouth to catch a blue and yellow toy doesn't imply that the dog is a puppy.|neutral: Just because a dog opens its mouth to catch a blue and yellow toy, doesn't mean the puppy is chasing a ball.