two men outside one working with a pole in hand .
It is improbable that two men work outside one with a pole in hand and the other carefully measuring their work .
There is a better than even chance that two men work outside one with a pole in hand and the other carefully measuring their work .
It is improbable that two men work outside one with a pole in hand and the other carefully measuring their work .
Two men work outside one with a pole in hand and the other carefully measuring their work .