Please choose the correct solution to the question: How to make jello in a box.

Solution1: Whisk together 1 cup of hot water with 1 packet of jello in a large bowl. Add 1 cup of cold water to the mixture and whisk it in. Let the jello set in the refrigerator for 2 to 3 hours, then serve.

Solution2: Whisk together 1 cup of hot water with 1 packet of jello in a large bowl. Add 1 cup of cold water to the mixture and whisk it in. Let the jello set in the refrigerator for 15 minutes, then serve.

Answer format: solution1/solution2
Answer: solution1