Finish the following sentence with the best choice: Make rainbow ice cubes.

Choices:
- Mix food coloring in small bowls in water. Spoon a cup and a half of one color into the ice tray and freeze. Add another color and repeat. Repeat until all colors are used.
- Mix food coloring in small bowls in water. Spoon a tablespoon of one color into the ice tray and freeze. Add another color and repeat. Repeat until all colors are used.

Answer:
Mix food coloring in small bowls in water. Spoon a tablespoon of one color into the ice tray and freeze. Add another color and repeat. Repeat until all colors are used.