Please choose the correct solution to the question: Make rainbow ice cubes.

Solution1: 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.

Solution2: 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 format: solution1/solution2
Answer: solution2