Finish the following sentence with the best choice: How to make Jell-O.

Choices:
- Stir 3/4 cup boiling water into gelatin in medium bowl at least 2 minutes until completely dissolved. Mix 1/2 cup cold water and ice cubes to make 1-1/4 cups. Add to gelatin, stirring until slightly thickened.
- Stir 3/4 cup boiling water into gelatin in medium bowl at least 2 minutes until completely dissolved. Mix 2 1/2 cups cold water and ice cubes to make 1-1/4 cups. Add to gelatin, stirring until slightly thickened.

Answer:
Stir 3/4 cup boiling water into gelatin in medium bowl at least 2 minutes until completely dissolved. Mix 1/2 cup cold water and ice cubes to make 1-1/4 cups. Add to gelatin, stirring until slightly thickened.