annotations and if you say that to radiologists they don't really react very well to this so they they obviously saying well she'd really asked some experts to help you with we're doing that but in the UK at least for example we already trained far too few radiologists so if you ask them to generate training data ie label data it's really very challenging and quite difficult to do and more importantly and this is something which is quite I think not always perfectly understood is if I ask an observer to tell me whether