premise: It's a snow day so the mother takes her little boy who is in yellow out to make a snowman, and the dog loves to roll in the snow. hypothesis: When Jack was with his mother building a snowman, their dog decided to roll in the snow and mess up their creation.
neutral: Not all boys are called Jack. Just because the dog enjoys rolling in the snow doesn't mean he will. Just because the dog likes rolling in the snow doesn't mean he is messing up a snow man.