premise: An overweight man and a woman are outside listening to a thinner man read from a book on a partly cloudy day. hypothesis: A man and his wife are listening to their son read them a story at a picnic.
neutral: Overweight man and woman need not be a couple. The event could be any, not just picnic. The thin man doesn't have to be their son. The contents of the book could be anything, not just story.