Please choose the correct solution to the question: To make a clear filling for key lime pie

Solution1: Mix 4 tablespoons of unflavored gelatin half a cup of water and let it sit 20 minutes. Dissolve 2 cups of sugar in 4.5 cups of water and over heat. Remove from the heat, and add the gelatin in water and the key lime extract and mix.

Solution2: Mix 4 tablespoons of unflavored gelatin half a cup of water and let it sit 20 minutes. Dissolve 2 cups of sugar in 4.5 cups of water and over heat. Turn up the heat, and add the gelatin in water and the key lime extract and mix.

Answer format: solution1/solution2
Answer: solution1