If self-driving trucks ever learn how to navigate our roads, how will they deal with self-contradictory nigh-paradoxical loading dock instructions?

photo of signs: "Notice: Drivers Park Outside and Check in Office Before Entering" and "Drivers: Wait Outside Until Called In"

(If you're wondering "Is there some way to 'check in office' without entering the building?" then I like the way you think, but I didn't see such a thing…)