premise: A group of people are sitting at a picnic table drinking while some are making faces. hypothesis: A group of friends are socializing around a picnic table full of drinks and food.
neutral: The group of people sitting at a picnic table are not necessarily friends.  Just because they are sitting at a picnic table drinking does not mean that they are socializing.  Just because they are sitting around a picnic table does not mean that there is food there.