 That's actually a really complicated cognitive thing to do. Neither of those kind of images make sense. The only one that actually makes any sense from an evolutionary perspective is that they genuinely cared. Let's talk about the detail of the research because this is the discovery of inner ear abnormalities. Can you explain? What's been found here was actually from excavations in 1989 and then they've been sort of reassessed and re-looked at. It's a