Declaring disaster over seems to be the only one that does not apply.
I believe it’s B) the others are not linked together in base pairs
People who have severe cases of dementia need a lot of help as far as everyday life goes. The thing is that when you have dementia, it becomes very difficult to remember thing. Moreover, it becomes even harder to keep in mind the daily chores which need to be done. For that reason, helpers are there to remind them what they have to do but also be of physical assistance in cases where a person is less mobile.