Fact 1: Most salamanders use their sense of smell to find a mate. Fact 2: Salamanders, frogs and toads are amphibians. Given the two facts above, what uses its sense of smell to find a mate?

Options are:
[1]. passenger pigeons;
[2]. animals;
[3]. A whale;
[4]. A human;
[5]. An amoeba;
[6]. fur seals;
[7]. rabbit;
[8]. An amphibian;
The answer is:
[8].