Finish the following sentence with the best choice: Start doing basic aerobic and cardio exercise

Choices:
- Start with a small goal of 3 minutes, 7 times per week if you aren't exercising at all currently
- Start with a small goal of 30 minutes, 3 times per week if you aren't exercising at all currently

Answer:
Start with a small goal of 30 minutes, 3 times per week if you aren't exercising at all currently