Available choices: 1. motors; 2. rocks; 3. cars; 4. fish; 5. jets; 6. wind; 7. drones; 8. Lift;

Fact 1: Aairplane is used for moving people across bodies of water. Fact 2: Contrails are made by high-flying jet airplanes. Given the two facts above, what are used for moving people?
Answer:
5.