 Block building. Retrieval. I may say cup and have you recall it three minutes later. Trail drawing. These are done with a professional PhD in neuropsychology. It has nothing to do with psychiatry. And we can tell if you have that. It's four hours long? Four hours. It's a full day. We tell people, bring a snack. It is a full day. So not the mocha, which was a bedside test that President Trump took. These are tests that are screening tests. They don't rule in...