Finish the following sentence with the best choice: How to make ice cubes

Choices:
- Fill an empty ice cube tray with water. Place the ice cube tray in the freezer. Wait for the water to freeze.
- Fill an empty ice cube tray with water. Place the ice cube tray in the refrigerator. Wait for the water to freeze.

Answer:
Fill an empty ice cube tray with water. Place the ice cube tray in the freezer. Wait for the water to freeze.