 It struggled a bit with paper, strangely, and a stapler, which is a complex of plastic and metal. It kind of identified as hard plastic, so we sort of gave that half points. And that was the app running on an iPhone SE, I should say. How good is it, in your view, at actually recognising things and being able to say, just on visual cues, this is what this is, this is how you need to dispose of it?