premise: Man escaping a straitjacket while many people watch. hypothesis: People watch a street performer escape a trap he places himself in.
neutral: A man escaping a straitjacket may be a patient or someone else and need not be a street performer. If a man is in a straitjacket, anyone could have placed him in the straitjacket and it can't be assumed that the straitjacket is a trap he places himself in.