Finish the following sentence with the best choice: how to keep a pie crust from becoming gummy?

Choices:
- swap out some of the water, for vodka. As it evaporates, it tightens the molecules.
- Add a few tablespoons of meringue powder, and use baking soda in place of half the flour.

Answer:
swap out some of the water, for vodka. As it evaporates, it tightens the molecules.