A dog's speed is measured by a man while the dog runs.
An animal runs while a man calculates its speed.
A man runs while a dog measures his speed.
A president or attorney general should react.
She must have taken just a bit of strychnine.
You haven't done anything with it.
Nobody is even checking if the contractors are doing a good job, and the same will happen in the future.
The questionnaire takes about a minute to complete.
The man is outdoor.