We're trying to emulate a human response here? Most people would assume that "what is about to happen" implies that the scene isn't static and unchanging. The a

We're trying to emulate a human response here? Most people would assume that "what is about to happen" implies that the scene isn't static and unchanging. The answer to every "what's happening in this photo" is actually "nothing it's a snapshot in time, there is no change", but that's definitely not what we're after. It's perhaps a petulant tweenager/young-teen response? 'Ha, gotcha, nothing is happening in a photo, were you thinking of video!?'?