How to identify signs of dementia<br>Know the general symptoms. [substeps] Memory loss is the first and earliest sign of dementia. It is, however, more than just forgetting where you put your keys.
Can we infer the following?
Forgetting where you put your keys is the first sign of dementia.

OPTIONS:
(1). Yes;
(2). It's impossible to say;
(3). No;
The answer is:
(3).