The blood or breath alcohol concentration (BAC), coupled with our clinical observations, may help us identify intoxication.
The BAC helps physicians find intoxicated people.
The BAC provides little help for physicians finding intoxicated people.
A woman exercising is looking towards the camera.
A man is walking towards his newspaper.
the man sharpens his knife on a turtle
The little boy is playing a video game.
One question's answer will be the answer for the next question.
The objects in the side mirrors are a lot further back than they look.