Finish the following sentence with the best choice: Fill a cup at a soda fountain.

Choices:
- Place the cup on top of the desired soda dispenser and press the button to begin dispensing the selected soda.
- Place the cup underneath the desired soda dispenser and press the button to begin dispensing the selected soda.

Answer:
Place the cup underneath the desired soda dispenser and press the button to begin dispensing the selected soda.