Here is a goal: How can you be sure you won't have a squeaky bad cart at the grocery store?

How would you accomplish this goal?

Pick from: A). Grab a cart from outside on your way in, the worst of the carts are inside and have been ditched, you will also have a chance to determine if the cart is faulty before you begin filling it. B). Grab a cart from inside on your way out, the worst of the carts are inside and have been ditched, you will also have a chance to determine if the cart is faulty before you begin filling it.
A).