Q: Fact 1: Most reptiles have good eyesight and a keen sense of smell. Fact 2: Snakes are limbless reptiles. Given the two facts above, what have good eyesight and a keen sense of smell?

pick from the following.
(1). mammals;
(2). fur seals;
(3). tortoises;
(4). sharks;
(5). animals;
(6). elephants;
(7). snakes;
(8). alpacas;
The answer is:
(7).