Choose from:
1). sharks.
2). mammals.
3). salmon.
4). h2o.
5). plants.
6). humans.
7). protist.
8). tortoises.
Given those answer options, answer the question: Fact 1: Fish have a centralized nervous system with a brain. Fact 2: Fish include bass and salmon. Given the two facts above, what have a centralized nervous system with a brain?
A:
3).