Finish the following sentence with the best choice: How to nauturally kills weeds and grasses in flower beds.

Choices:
- First be sure to cover any plants you do not wash to harm, then spray a mixture of one gallon white vinegar; 1 cup salt; 1 tablespoon liquid dish soap on the unwanted grasses and weeds. You will notice them dying off in a few days.
- First be sure to cover any plants you do not wash to harm, then spray a mixture of one gallon white vinegar; 1 cup salt; 1 tablespoon liquid dish soap on the flowers. You will notice them dying off in a few days.

Answer:
First be sure to cover any plants you do not wash to harm, then spray a mixture of one gallon white vinegar; 1 cup salt; 1 tablespoon liquid dish soap on the unwanted grasses and weeds. You will notice them dying off in a few days.