Fact 1: Aship is used for moving people across bodies of water. Fact 2: Transportation is the moving of people or things from place to place. Given the two facts above, a ship is an example of what?

Pick from: (a). Space travel (b). Submarine (c). mechanical waves (d). complexity (e). Water transportation (f). Something formed from skeleton (g). Land vehicle (h). objects that have mass
Answer:
(e).