You can't commit both crimes--or, at least, not at the same time.
Both crimes can't be committed at the same time.
You can do both crimes simultaneously.
The man is driving a van
A child is standing on a man's head.
The man in uniform is about to throw the ball.
Three people prepare a meal.
The girl is hula hooping.
Demand-side thinking is very popular and everyone loves using it.