A Caucasian woman stands with her back to the camera while completing a transaction at an ATM machine.
The woman is sitting on the back porch.
Either the woman is standing while completing a transaction at an ATM machine, or she is sitting on the back porch.
A woman cannot be on her back porch and at an ATM machine at the same time.
The woman is either standing or sitting. Usually there would not be an ATM machine on a back porch.