Finish the following sentence with the best choice: How can I safely melt the ice on my windows?

Choices:
- Use a mixture of 2/3 parts snow and one part water and spray on iced windows.
- Use a mixture of 2/3 parts vinegar and one part water and spray on iced windows.

Answer:
Use a mixture of 2/3 parts vinegar and one part water and spray on iced windows.