Fact 1: Aairplane is used for moving people across bodies of water.

Fact 2: Airplanes like Boeing 747 can take off and land on the airport.

Given the two facts above, answer the question "what is used for moving people across bodies of water?" with the following options: 
- Boeing 747
 - cars
 - skateboards
 - heat energy
 - engines
 - shoes
 - energy
 - electricity


 

 Boeing 747        