Question: How to make jello in a box.

  Options: 
 A. 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.
 B. 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: A