Finish the following sentence with the best choice: How to do a push up.

Choices:
- Place feet not farther than 6 inches apart. Hands shoulder width apart. Keep you body in a straight line. Bend your back to lower your body as a single unit until you upper arms are parallel to the ground. Return to starting potion.
- Place feet not farther than 12 inches apart. Hands shoulder width apart. Keep you body in a straight line. Bend your elbows to lower your body as a single unit until you upper arms are parallel to the ground. Return to starting potion.

Answer:
Place feet not farther than 12 inches apart. Hands shoulder width apart. Keep you body in a straight line. Bend your elbows to lower your body as a single unit until you upper arms are parallel to the ground. Return to starting potion.